Daily Sudoku Competition for May 13
Diabolical
by Andrew Stuart
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
4
5
1
3
7
9
8
6
2
7
2
8
4
5
6
3
1
9
3
6
9
1
2
8
7
5
4
8
4
2
6
1
7
5
9
3
1
9
6
8
3
5
2
4
7
5
7
3
2
9
4
6
8
1
2
3
4
5
6
1
9
7
8
6
1
7
9
8
3
4
2
5
9
8
5
7
4
2
1
3
6