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Hard · Puzzle #822
3
4
6
9
8
3
5
6
4
4
3
5
9
2
1
1
8
3
5
8
7
1
5
3
7
8
4
"Simplicity is the ultimate sophistication." — Leonardo da Vinci
"Simplicity is the ultimate sophistication." — Leonardo da Vinci
"Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great deal of imagination." — Sofia Kovalevskaya
"Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great deal of imagination." — Sofia Kovalevskaya