Compression L0: Literal AI + human Copy + Revise

5 grids · reconstruct grid #4 · NARC on 6/8 models

Grid Sequence
The grid fills column by column from left to right. After all four columns are filled, the leftmost column (column 0) is removed, setting all cells in that column back to 0. The other three columns remain filled.
Your Answer

Your attempts here are recorded anonymously for research (the grids you submit, whether they are correct, whether you revealed the clue, and time taken), under a random id kept in your browser. No name or email is collected. This site is for adults; by submitting you confirm you are 18 or older. What this site records.