setop 3f67d3091d day 4, easy		2022-12-04 10:25:08 +01:00
d01	day 1, add edge case for last block	2022-12-01 22:56:49 +01:00
d02	compact	2022-12-02 23:32:38 +01:00
d03	day 3	2022-12-03 16:01:59 +01:00
d04	day 4, easy	2022-12-04 10:25:08 +01:00