PlaySudoku.us
Evil · Puzzle #569
3
5
7
6
2
9
6
3
8
1
6
7
3
5
9
4
7
4
2
1
3
6
8
8
7
"Chess, like love, like music, has the power to make men happy." — Siegbert Tarrasch
"Chess, like love, like music, has the power to make men happy." — Siegbert Tarrasch
Donald Knuth's "dancing links" algorithm — published in 2000 — is one of the fastest ways to solve Sudoku by computer.
Donald Knuth's "dancing links" algorithm — published in 2000 — is one of the fastest ways to solve Sudoku by computer.