PlaySudoku.us
Easy · Puzzle #173
6
5
9
1
8
3
9
8
3
6
1
4
1
7
3
5
8
6
9
4
5
3
9
6
1
6
7
4
2
3
6
4
2
1
5
5
4
7
3
1
4
3
7
5
9
8
3
5
9
1
2
"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