PlaySudoku.us
Easy · Puzzle #918
6
1
1
8
3
5
2
2
7
5
4
9
6
5
8
2
3
7
8
6
9
2
4
3
6
1
5
8
7
3
8
5
4
2
6
9
7
1
6
3
2
6
4
3
9
5
8
Counting the number of Sudoku solutions for a given puzzle is #P-complete — computationally harder than NP-complete.
Counting the number of Sudoku solutions for a given puzzle is #P-complete — computationally harder than NP-complete.
"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