PlaySudoku.us
Hard · Puzzle #978
8
7
6
4
8
9
3
1
7
5
5
7
3
4
6
2
1
6
4
5
3
4
9
5
6
4
2
9
7
8
4
"It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change." — Charles Darwin
"It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change." — Charles Darwin
Never guess. Every Sudoku on this site has a logical solution. If you feel stuck, try a different technique.
Never guess. Every Sudoku on this site has a logical solution. If you feel stuck, try a different technique.