Daily Killer Sudoku for May 13

Number 5528, Diabolical - SOLUTION

by Andrew Stuart.

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
5
1
7
8
4
2
9
6
3
8
3
4
5
6
9
7
1
2
9
6
2
7
3
1
4
8
5
3
5
9
2
7
8
1
4
6
6
4
1
9
5
3
2
7
8
2
7
8
6
1
4
3
5
9
7
9
3
4
8
6
5
2
1
4
2
6
1
9
5
8
3
7
1
8
5
3
2
7
6
9
4