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Hard · Puzzle #916
9
8
7
2
5
2
2
7
4
3
9
2
3
1
2
4
8
8
4
3
8
5
5
1
2
6
"I hear and I forget. I see and I remember. I do and I understand." — Confucius
"I hear and I forget. I see and I remember. I do and I understand." — Confucius
"Young man, in mathematics you don't understand things. You just get used to them." — John von Neumann
"Young man, in mathematics you don't understand things. You just get used to them." — John von Neumann