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Hard · Puzzle #142
2
5
4
9
6
8
1
3
7
7
3
8
2
6
1
8
9
9
7
2
3
7
5
4
2
9
5
"Chess is everything: art, science, and sport." — Anatoly Karpov
"Chess is everything: art, science, and sport." — Anatoly Karpov
"In mathematics, if a pattern occurs, we can go on to ask, 'Why does the pattern occur?' And we can find out." — Richard Feynman
"In mathematics, if a pattern occurs, we can go on to ask, 'Why does the pattern occur?' And we can find out." — Richard Feynman