Weekly Extreme Killer Sudoku Competition for Jul 15 to Jul 21

Number 617, 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 21 23:59 EST, USA

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
 
 
 
 

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