PlaySudoku.us
Easy · Puzzle #236
3
8
6
1
9
2
1
9
4
2
5
2
9
3
8
4
5
8
6
8
2
7
5
9
3
3
1
5
6
8
2
7
6
2
8
4
7
3
3
5
8
6
1
5
2
6
8
7
9
"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