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