Weekly Extreme Killer Sudoku Competition for Oct 14 to Oct 20

Number 630, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
All entries must be in by the end of Saturday, Oct 20 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
5
10
21
 
 
9
15
 
19
 
 
18
19
 
 
 
 
 
18
 
 
 
 
 
11
 
 
 
9
12
18
 
17
11
 
 
 
 
 
10
 
 
9
11
20
14
 
 
 
 
 
 
 
 
24
5
 
11
23
 
16
 
 
 
 
16
 
 
 
 
14
7
 
 
 
 
13
 
 
 
 

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