Daily Jigsaw Sudoku for May 25
No 5217, Tough

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