PlaySudoku.us
Hard · Puzzle #218
6
4
7
3
9
4
5
3
9
1
2
2
3
8
3
6
4
1
5
4
9
1
6
8
2
7
6
2
5
"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