Weekly Extreme Killer Sudoku Competition for Jul 5 to Jul 11

Number 459, Extreme
by Crosswords Ltd. July puzzle packs Now Out!. Thanks for supporting our site.
All entries must be in by the end of Saturday, Jul 11 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
9
11
 
5
13
14
12
 
21
 
15
 
 
 
 
 
 
 
12
 
 
17
 
8
 
 
 
 
18
16
 
 
13
 
14
 
21
 
 
10
 
 
12
 
 
 
 
4
 
23
 
 
 
16
15
13
 
 
11
 
13
 
 
 
12
18
 
4
17
 
 
10
 
 
 
 
 
 
8
 
 

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