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Expert · Puzzle #43
9
4
9
8
4
2
7
5
1
3
1
6
9
4
2
7
7
2
1
6
5
3
2
6
1
"Energy and persistence conquer all things." — Benjamin Franklin
"Energy and persistence conquer all things." — Benjamin Franklin
"The essence of chess is thinking about what chess is." — David Bronstein
"The essence of chess is thinking about what chess is." — David Bronstein