Daily Sudoku Competition for May 12
Diabolical
by Andrew Stuart
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
2
9
8
7
3
6
1
5
4
1
6
3
5
4
8
9
2
7
4
7
5
9
1
2
8
6
3
5
2
6
8
7
3
4
1
9
7
4
9
6
2
1
3
8
5
3
8
1
4
9
5
6
7
2
6
3
2
1
5
9
7
4
8
8
5
4
3
6
7
2
9
1
9
1
7
2
8
4
5
3
6