PlaySudoku.us
Medium · Puzzle #616
3
1
7
6
1
9
2
5
5
2
4
1
4
2
9
2
1
9
8
4
6
1
5
2
7
4
2
5
7
6
6
1
9
2
4
5
"In science, there are no shortcuts to truth." — Karl Popper
"In science, there are no shortcuts to truth." — Karl Popper
"In chess, as in life, a man is his own most dangerous opponent." — Vasily Smyslov
"In chess, as in life, a man is his own most dangerous opponent." — Vasily Smyslov