PlaySudoku.us
Medium · Puzzle #845
5
4
7
6
2
4
4
3
6
7
2
6
6
9
3
7
8
2
1
4
3
2
5
9
8
2
7
2
5
9
1
"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