Comments are moderated. It may take a few minutes before your comment appears.
Markdown is supported in your comments.

Both Life and braille sections use brute force logic. Across the top of the grid, the board is divided up into 2x3 chunks. There are 64 possible 2x3 chunks, but we only want the four that correspond to AGCT. So for each chunk, 60 possibilities are forbidden.

Mail: (not shown)

Please type this: