Rules:
Normal Sudoku rules apply: Fill the grid with digits 1-9 in each row, column, and 3x3 box.
9-10 ambiguity: The sum of the digits in any two neighboring cells on each line must be either 9 or 10.
Puzzle:
Solve Online: Answer check is enabled.
Solution code: Enter Row 8 digits without a space.
on 24. July 2024, 23:32 by CraftyRaf
Only 7 solves in 5 days? Why? Is it too hard? Does it have mistakes? ... I would like to receive some feedback please!