Today's problem works very nicely thanks to window although the indexing
sadly is off by a constant amount from what we immediately get. I have a
feeling someone is going to demolish my 31 char k solution.
Change-Id: Ia90786ce2fe321235286a85c466decf7feb669ed
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7534
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Autosubmit: sterni <sternenseemann@systemli.org>