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