PlaySudoku.us
Hard · Puzzle #18
6
3
5
1
4
5
4
8
6
3
8
2
9
3
6
1
7
6
4
1
9
9
2
9
1
6
7
8
3
"Energy and persistence conquer all things." — Benjamin Franklin
"Energy and persistence conquer all things." — Benjamin Franklin
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein