PlaySudoku.us
Easy · Puzzle #277
1
4
9
8
2
9
2
8
4
6
3
1
7
2
9
4
3
7
1
2
3
8
4
5
9
7
2
6
4
3
8
6
5
4
1
6
5
7
3
9
6
5
1
5
3
1
2
4
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.