Weekly Extreme Killer Sudoku Competition for Dec 18 to Dec 24

Number 535, Extreme
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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
24
 
21
 
 
8
 
3
 
 
 
14
14
6
 
21
 
8
9
 
 
 
 
20
15
 
 
13
 
 
25
 
 
 
15
 
 
10
 
10
 
 
4
 
18
9
 
5
 
 
 
15
 
 
12
15
 
 
10
8
 
10
 
 
 
 
17
 
 
 
21
 
11
 
 
 
14