PlaySudoku.us
Hard · Puzzle #900
9
6
5
9
5
6
1
9
4
3
7
2
7
5
1
4
2
6
4
7
1
8
6
2
5
7
3
8
"Every chess master was once a beginner." — Irving Chernev
"Every chess master was once a beginner." — Irving Chernev
There are Sudoku World Championships held annually, with competitors from over 30 countries.
There are Sudoku World Championships held annually, with competitors from over 30 countries.