Weekly Extreme Killer Sudoku Competition for Jul 15 to Jul 21

Number 617, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
Future Puzzle - will be submitted on the relevant day

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
12
14
 
10
 
12
 
12
 
 
 
16
 
16
13
 
15
 
 
23
 
 
 
 
 
 
12
15
 
 
16
14
 
 
 
 
 
9
 
 
 
 
16
 
14
12
 
19
 
 
 
12
 
 
 
11
 
11
18
 
15
 
15
10
 
 
 
 
 
 
14
 
 
 
17
 
12