PlaySudoku.us
Hard · Puzzle #777
2
9
7
1
4
7
6
1
8
5
2
9
3
9
1
3
5
6
1
5
8
9
8
2
7
4
5
8
2
3
"The threat is stronger than the execution." — Aaron Nimzowitsch
"The threat is stronger than the execution." — Aaron Nimzowitsch
"A bad plan is better than no plan at all." — Frank Marshall
"A bad plan is better than no plan at all." — Frank Marshall