PlaySudoku.us
Medium · Puzzle #863
7
9
2
6
2
3
6
8
9
7
7
1
4
6
8
9
1
3
5
6
4
9
3
5
2
5
9
1
6
2
4
6
1
6
5
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