Challenge Yourself

Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.

Challenge Yourself
✓ Completed! 👍
4
7
9
8
4
6
2
8
7
1
3
5
8
1
3
6
2
9
2
7
9
3
8
7
2
4
9
7
1
4
6
Mathematical Mind

"Do not worry about your difficulties in mathematics. I can assure you mine are still greater." — Albert Einstein

Mathematical Mind