PlaySudoku.us
Medium · Puzzle #970
1
8
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5
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7
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4
6
3
7
8
5
1
9
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7
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8
9
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7
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8
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9
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8
8
9
7
"Strive not to be a success, but rather to be of value." — Albert Einstein
"Strive not to be a success, but rather to be of value." — Albert Einstein
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré
"What is a proof? It is a demonstration that a statement is necessarily true — a guarantee that no exception can exist." — Henri Poincaré