A binary puzzle with nothing but 0s and 1s - no math at all, just balance. Three simple rules, and the grid fills itself square by square.
How to play
Fill every empty square with 0 or 1. Each row and each column holds as many 0s as 1s, never three of the same number side by side - and no two rows, and no two columns, are exactly alike.
Copies
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Sheet code:
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Preview
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