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Expert · Puzzle #647
7
1
3
6
1
9
5
8
1
1
6
8
2
3
1
4
2
9
3
9
7
6
4
1
"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