Solved!
How to play
- Fill every row, column and 3×3 box with the digits 1 to 9, each once.
- Tap a square, then tap a number. Turn on Notes to pencil in candidates.
- Every puzzle has exactly one solution, so no guessing is needed.
- Keys: 1–9 enter, 0 or Backspace erase, N notes, Z undo, H hint, arrows move.