8
2
4
6
1
6
8
9
9
8
3
1
5
7
4
9
1
5
7
5
3
4
9
6
4
1
5
8
1
7
6
3
2
3
2
8
5
1
Solve Me
Unsolve Me
Undo Moves
Erase a number
New Game
Custom Sudoku