C:A0C0 and C:A1C1, begins near 2022-01-07, persists through B, BnA, A.
Data sets:
/lustre/aoc/projects/srdp/problem_data/ea01_AC/
--------------------------
UPDATE 2022-06-22
Issue has become more noticeable in corrected amps. Example:
22A-211.sb41331182.eb41830205.59730.99877748842
ea01 is the black stuff at the low end
------------------------
C:A0C0 and C:A1C1, amp solution bumps, possibly as early as Jan 07, persists through B, BnA, A
uncertain if same cause in 3bit and 8bit. examples of both are here:
/lustre/aoc/projects/srdp/problem_data/ea01_AC/
older examples, amp solutions from finalcals
8bit:
3bit: