Daily Killer Sudoku for May 31

Number 5546, Moderate - SOLUTION

by Andrew Stuart.

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