This puzzle was created by Jakhob and wooferzfg.
Normal Sudoku rules apply.
An odd digit in a diamond indicates the number of odd digits in the (up to) 9 surrounding cells, including itself.
An even digit in a diamond indicates the number of even digits in the (up to) 9 surrounding cells, including itself.
Not all diamonds are necessarily given.
Solution code: Row 5 followed by Row 9
on 5. April 2022, 08:06 by Johannes Quack
Interesting rule set, fun to solve!
on 5. April 2022, 04:27 by Squiz
Another excellent colab, that was a very fun puzzle! Very skillfully put together, great work guys!
on 4. April 2022, 15:43 by mathpesto
Fantastic puzzle! Very smooth solve path and lovely deductions the whole way through.
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