Daily Jigsaw Sudoku for Jun 8
No 5231, Tough

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