7
8
2
4
1
5
4
6
9
8
4
5
3
4
2
6
6
4
8
4
6
7
3
2
5
5
7
3
2
3
9
4
5
6
7
Do Sudoku
by
Mike Robinson
Easy sudoku
Other puzzles :
Easy
Mild
Expert
Fiendish
Extra fiendish