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Expert · Puzzle #368
1
9
4
7
8
7
5
1
4
7
6
3
5
2
9
1
9
3
2
7
2
6
2
8
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