AXFLY game journal ·
Catdoku: combine region, row and neighbor exclusions
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Use all three constraints together
The Level 1 board explicitly lists one cat per color, one cat per row/column and no touching cats. A blank square that passes a row check can still be excluded by its colored region or a diagonal neighbor. Keep a candidate only after checking all three. The game is not asking you to select a different cat face for every cell.
Apply the hint’s reason to nearby cells
The Level 3 hint states that no other cat can share the selected cat’s row, column or neighboring cells. Read this as a set of exclusions, including diagonal contact.
Follow the exclusions
The two Level 1 pictures show 1/4 and 3/4 cats. The Level 3 hint is a separate board. Use it to understand the rule rather than copying its marked positions into Level 1.