PlaySudoku.us
Hard · Puzzle #12
4
7
5
2
3
6
4
1
6
2
9
8
1
9
1
7
6
7
1
9
3
1
9
5
5
9
8
3
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
"Doubt is not a pleasant condition, but certainty is an absurd one." — Voltaire
"Doubt is not a pleasant condition, but certainty is an absurd one." — Voltaire