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Hard · Puzzle #852
1
7
6
5
7
8
2
9
4
9
7
6
5
9
3
2
1
5
9
4
7
6
3
2
4
5
8
9
5
"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