Sudoku Puzzle 2.7 [免費版]

- All Sudoku Grids are generated on the fly.
- All Sudoku Grids have unique solution.
- 3 different levels: Easy - Medium - Hard.
- Use notes number.
- Unlimited Undo.
- Invalid numbers/notes are highlighted in red.
- Easy to use.

• 10/27/2020: Sudoku Puzzle 2.7
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