PlaySudoku.us
Medium · Puzzle #508
2
8
1
9
6
5
8
4
9
1
5
7
9
2
8
6
2
9
9
1
8
1
3
5
4
9
7
5
6
2
2
7
6
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