PlaySudoku.us
Hard · Puzzle #411
8
1
3
9
9
6
1
2
8
2
7
6
2
5
4
2
1
9
8
6
2
7
7
3
4
6
2
9
5
"In science, there are no shortcuts to truth." — Karl Popper
"In science, there are no shortcuts to truth." — Karl Popper
"Candidates must be mentally prepared for every new game as if it were the last." — Mikhail Botvinnik
"Candidates must be mentally prepared for every new game as if it were the last." — Mikhail Botvinnik