PlaySudoku.us
Easy · Puzzle #155
3
7
2
1
1
2
7
9
2
5
4
3
7
9
6
3
8
7
4
5
1
2
6
3
7
5
9
2
9
4
6
5
3
2
2
1
7
3
6
8
3
5
8
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston