PlaySudoku.us
Easy · Puzzle #337
4
3
2
1
5
8
7
5
3
9
6
2
2
1
9
3
4
5
2
4
2
3
7
5
1
8
5
7
1
4
8
3
2
9
9
8
4
1
6
2
5
6
7
1
7
4
9
6
8
5
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but larger grids become exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but larger grids become exponentially harder.