Rules:
Place the digits 1-9 once each into every row, column, and box.
Digits in a circle count how many digits in the (up to 8) surrounding cells have the same (even/odd) parity as the digit in that circle.
Have fun solving!
Solution code: Row 1
on 22. February 2026, 13:25 by galium_odoratum
Very nice puzzle, underrated imo!
on 18. February 2026, 13:47 by Snookerfan
These puzzles are always weird and fun, thanks!
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