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Hard · Puzzle #856
9
6
9
2
2
4
7
1
2
9
1
7
4
8
3
6
9
2
7
5
4
1
6
4
3
1
5
"Stay hungry, stay foolish." — Steve Jobs
"Stay hungry, stay foolish." — Steve Jobs
"In mathematics you don't understand things. You just get used to them." — John von Neumann
"In mathematics you don't understand things. You just get used to them." — John von Neumann