PlaySudoku.us
Medium · Puzzle #823
6
9
3
4
4
2
7
8
7
5
3
1
3
8
4
5
9
5
1
3
7
8
4
6
3
5
6
7
4
7
8
5
4
9
1
7
"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