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Expert · Puzzle #69
4
2
7
5
8
3
5
2
9
9
2
3
2
6
4
7
1
5
8
1
9
3
4
"There are no solved problems; there are only problems that are more or less solved." — Henri Poincaré
"There are no solved problems; there are only problems that are more or less solved." — Henri Poincaré
"Look deep into nature, and then you will understand everything better." — Albert Einstein
"Look deep into nature, and then you will understand everything better." — Albert Einstein