PlaySudoku.us
Expert · Puzzle #390
7
2
8
4
8
1
5
3
5
7
6
4
5
3
1
5
6
7
2
6
7
3
2
4
4
8
"Research is to see what everybody else has seen, and to think what nobody else has thought." — Albert Szent-Györgyi
"Research is to see what everybody else has seen, and to think what nobody else has thought." — Albert Szent-Györgyi
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.