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Expert · Puzzle #89
5
9
1
7
2
3
4
1
2
8
9
1
2
3
4
5
7
2
5
6
9
5
8
3
7
"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