PlaySudoku.us
Medium · Puzzle #247
4
5
7
1
5
1
4
6
1
4
3
8
9
6
5
7
8
3
4
5
8
1
9
8
4
1
3
7
3
4
6
3
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