PlaySudoku.us
Easy · Puzzle #643
2
5
6
4
3
8
9
8
1
2
4
3
4
9
7
8
2
3
6
1
6
1
5
9
4
8
3
2
3
2
1
6
7
3
8
1
9
2
5
2
1
7
1
5
2
3
9
"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world." — Nikola Tesla
"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world." — Nikola Tesla
"The important thing is not to stop questioning. Curiosity has its own reason for existing." — Albert Einstein
"The important thing is not to stop questioning. Curiosity has its own reason for existing." — Albert Einstein