PlaySudoku.us
Hard · Puzzle #970
9
4
7
5
5
2
7
4
7
3
5
9
5
7
8
3
3
1
6
7
1
9
8
1
2
2
"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