// A small set of cases created manually for values greater than 2^64.

{absl::MakeUint128(1, 0), std::ios::dec, 0, '_', "18446744073709551616"},
{absl::MakeUint128(1, 0), std::ios::oct, 0, '_', "2000000000000000000000"},
{absl::MakeUint128(1, 0), std::ios::hex, 0, '_', "10000000000000000"},
{absl::MakeUint128(0x8000000000000000, 0), std::ios::dec, 0, '_', "170141183460469231731687303715884105728"},
{absl::MakeUint128(0x8000000000000000, 0), std::ios::oct, 0, '_', "2000000000000000000000000000000000000000000"},
{absl::MakeUint128(0x8000000000000000, 0), std::ios::hex, 0, '_', "80000000000000000000000000000000"},
{absl::MakeUint128(-1, -1), std::ios::dec, 0, '_', "340282366920938463463374607431768211455"},
{absl::MakeUint128(-1, -1), std::ios::oct, 0, '_', "3777777777777777777777777777777777777777777"},
{absl::MakeUint128(-1, -1), std::ios::hex, 0, '_', "ffffffffffffffffffffffffffffffff"},

// An exhaustive set of formatting cases generated with select values that fit
// into a uint64_t so they can be compared to what was output by the standard
// implementation.

{0, std::ios::dec | std::ios::left, 0, '_', "0"},
{0, std::ios::dec | std::ios::left, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::dec | std::ios::internal, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right, 0, '_', "0"},
{0, std::ios::dec | std::ios::right, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::left, 0, '_', "0"},
{0, std::ios::oct | std::ios::left, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::oct | std::ios::internal, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right, 0, '_', "0"},
{0, std::ios::oct | std::ios::right, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::left, 0, '_', "0"},
{0, std::ios::hex | std::ios::left, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"},
{0, std::ios::hex | std::ios::internal, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right, 0, '_', "0"},
{0, std::ios::hex | std::ios::right, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"},
{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"},
{8, std::ios::dec | std::ios::left, 0, '_', "8"},
{8, std::ios::dec | std::ios::left, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::dec | std::ios::internal, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::showbase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right, 0, '_', "8"},
{8, std::ios::dec | std::ios::right, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::oct | std::ios::left, 0, '_', "10"},
{8, std::ios::oct | std::ios::left, 10, '_', "10________"},
{8, std::ios::oct | std::ios::left | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::left | std::ios::showpos, 10, '_', "10________"},
{8, std::ios::oct | std::ios::left | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::left | std::ios::showbase, 10, '_', "010_______"},
{8, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "010_______"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase, 0, '_', "10"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase, 10, '_', "10________"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "10________"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "010_______"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "010_______"},
{8, std::ios::oct | std::ios::internal, 0, '_', "10"},
{8, std::ios::oct | std::ios::internal, 10, '_', "________10"},
{8, std::ios::oct | std::ios::internal | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::internal | std::ios::showpos, 10, '_', "________10"},
{8, std::ios::oct | std::ios::internal | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::internal | std::ios::showbase, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "10"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "________10"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "________10"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::right, 0, '_', "10"},
{8, std::ios::oct | std::ios::right, 10, '_', "________10"},
{8, std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "________10"},
{8, std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "10"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "________10"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "10"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "________10"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "010"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_______010"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "010"},
{8, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_______010"},
{8, std::ios::hex | std::ios::left, 0, '_', "8"},
{8, std::ios::hex | std::ios::left, 10, '_', "8_________"},
{8, std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0x8_______"},
{8, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0x8_______"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "8_________"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "8_________"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0X8_______"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X8_______"},
{8, std::ios::hex | std::ios::internal, 0, '_', "8"},
{8, std::ios::hex | std::ios::internal, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "0x_______8"},
{8, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "0x_______8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "0X_______8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X_______8"},
{8, std::ios::hex | std::ios::right, 0, '_', "8"},
{8, std::ios::hex | std::ios::right, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "_______0x8"},
{8, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0x8"},
{8, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_______0x8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_______0X8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8"},
{8, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_______0X8"},
{31, std::ios::dec | std::ios::left, 0, '_', "31"},
{31, std::ios::dec | std::ios::left, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "31________"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "31________"},
{31, std::ios::dec | std::ios::internal, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::showbase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right, 0, '_', "31"},
{31, std::ios::dec | std::ios::right, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "________31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "31"},
{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "________31"},
{31, std::ios::oct | std::ios::left, 0, '_', "37"},
{31, std::ios::oct | std::ios::left, 10, '_', "37________"},
{31, std::ios::oct | std::ios::left | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::left | std::ios::showpos, 10, '_', "37________"},
{31, std::ios::oct | std::ios::left | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::left | std::ios::showbase, 10, '_', "037_______"},
{31, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "037_______"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase, 0, '_', "37"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase, 10, '_', "37________"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "37________"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "037_______"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "037_______"},
{31, std::ios::oct | std::ios::internal, 0, '_', "37"},
{31, std::ios::oct | std::ios::internal, 10, '_', "________37"},
{31, std::ios::oct | std::ios::internal | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::internal | std::ios::showpos, 10, '_', "________37"},
{31, std::ios::oct | std::ios::internal | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::internal | std::ios::showbase, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "37"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "________37"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "________37"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::right, 0, '_', "37"},
{31, std::ios::oct | std::ios::right, 10, '_', "________37"},
{31, std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "________37"},
{31, std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "37"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "________37"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "37"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "________37"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "037"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_______037"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "037"},
{31, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_______037"},
{31, std::ios::hex | std::ios::left, 0, '_', "1f"},
{31, std::ios::hex | std::ios::left, 10, '_', "1f________"},
{31, std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "1f"},
{31, std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "1f________"},
{31, std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0x1f______"},
{31, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0x1f______"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "1F"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "1F________"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "1F"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "1F________"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0X1F______"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X1F______"},
{31, std::ios::hex | std::ios::internal, 0, '_', "1f"},
{31, std::ios::hex | std::ios::internal, 10, '_', "________1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "________1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "0x______1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "0x______1f"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "________1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "________1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "0X______1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X______1F"},
{31, std::ios::hex | std::ios::right, 0, '_', "1f"},
{31, std::ios::hex | std::ios::right, 10, '_', "________1f"},
{31, std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "1f"},
{31, std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "________1f"},
{31, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "______0x1f"},
{31, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0x1f"},
{31, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "______0x1f"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "________1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "________1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "______0X1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X1F"},
{31, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "______0X1F"},
{12345, std::ios::dec | std::ios::left, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "12345"},
{12345, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "12345_____"},
{12345, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "12345"},
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{0x8000000000000000, std::ios::dec | std::ios::left, 0, '_', "9223372036854775808"},
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{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "1000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "01000000000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "0x8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0X8000000000000000"},
{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0X8000000000000000"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "18446744073709551615"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "1777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "01777777777777777777777"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "ffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "0xffffffffffffffff"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "FFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0XFFFFFFFFFFFFFFFF"},
{std::numeric_limits<uint64_t>::max(), std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0XFFFFFFFFFFFFFFFF"},