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Hard · Puzzle #214
9
5
2
3
5
7
5
2
6
9
6
7
1
5
8
8
5
7
2
3
4
9
8
7
2
1
7
4
3
7
"God made the integers; all else is the work of man." — Leopold Kronecker
"God made the integers; all else is the work of man." — Leopold Kronecker
"Mathematics, rightly viewed, possesses not only truth, but supreme beauty." — Bertrand Russell
"Mathematics, rightly viewed, possesses not only truth, but supreme beauty." — Bertrand Russell