PlaySudoku.us
Easy · Puzzle #802
1
8
6
9
6
9
1
2
1
5
4
6
2
9
4
7
3
6
8
7
5
2
8
3
4
6
9
1
5
7
9
1
4
6
7
8
3
8
6
3
7
1
3
5
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