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Hard · Puzzle #834
6
9
5
3
2
4
8
8
4
5
7
6
6
5
3
9
8
5
7
4
1
8
6
1
2
9
"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