Daily Sudoku Competition for May 20
Diabolical
by Andrew Stuart
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
2
9
5
3
8
1
7
6
4
6
8
4
9
7
5
1
3
2
1
7
3
6
4
2
8
9
5
5
1
8
7
9
6
4
2
3
3
2
9
4
5
8
6
7
1
7
4
6
2
1
3
5
8
9
8
3
2
1
6
4
9
5
7
4
6
7
5
3
9
2
1
8
9
5
1
8
2
7
3
4
6