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Expert · Puzzle #449
7
7
9
6
4
5
4
2
1
5
3
6
4
5
9
7
4
1
6
4
3
5
9
5
2
8
"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