PlaySudoku.us
Medium · Puzzle #580
4
8
5
2
1
7
8
2
6
1
9
4
7
3
1
6
9
3
5
4
5
3
2
8
7
2
5
7
1
4
3
"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