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Expert · Puzzle #665
4
8
4
1
9
6
1
7
2
1
9
6
5
8
2
9
4
5
5
3
2
8
2
8
3
6
"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