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Expert · Puzzle #827
2
9
3
7
5
6
7
7
1
2
8
3
5
9
1
4
6
2
7
2
3
1
5
7
4
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein