Weekly Extreme Killer Sudoku Competition for Sep 25 to Oct 1

Number 523, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
All entries must be in by the end of Saturday, Oct 1 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
16
11
 
5
 
14
9
 
16
 
 
16
5
 
 
 
14
 
11
 
 
18
 
14
23
 
 
13
 
 
 
 
 
 
 
3
7
14
31
 
 
 
 
 
 
 
 
 
17
 
22
15
14
 
12
 
 
 
 
 
 
10
 
11
 
11
 
9
 
 
12
 
 
12
 
 
8
 
12
 
 

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