Rules:
Regular sudoku rules apply; place the digits 1-9 in every row, column, and 3x3 box exactly once each.
Lots: A large square and large circle count the amount of even and odd numbers along a line, respectively.
Not-a-Lots: A small square and small circle count the amount of unique even and odd numbers along a line, respectively.
Solve online:
Solution code: Row 7 (left to right, 9 digits, no spaces)
on 24. October 2024, 05:44 by Suspicious Door
Quite a tough puzzle, but the logic was all clean and the break-in was beautiful.
on 11. August 2024, 00:36 by SamuPiano
Great puzzle! Definitely 5* in my opinion though.
on 3. August 2024, 08:04 by SeveNateNine
Took me quite a while to solve, but each step was fairly straight forward once I asked the right question. Great puzzle!
on 30. July 2024, 00:12 by heliopolix
Fantastic! This one is a tricky treat that requires some clever parity work to unlock.
After the break-in, there are more clever interactions and some stunning counting bits that are very satisfying to tease apart.