PlaySudoku.us
Medium · Puzzle #70
6
3
7
5
9
8
1
5
2
1
3
9
4
8
1
5
4
5
3
7
6
2
8
1
7
2
6
9
3
8
5
"The essence of mathematics lies in its freedom." — Georg Cantor
"The essence of mathematics lies in its freedom." — Georg Cantor
"When you see a good move, look for a better one." — Emanuel Lasker
"When you see a good move, look for a better one." — Emanuel Lasker