Weekly Extreme Killer Sudoku Competition for Jan 14 to Jan 20

Number 904, 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
31
 
 
 
23
5
 
8
 
23
 
 
 
 
19
 
 
6
 
 
 
8
 
15
11
10
 
12
 
 
 
13
 
 
 
15
7
11
 
13
 
 
10
 
 
 
17
5
 
 
20
 
8
 
5
 
 
 
17
 
27
 
 
 
23
 
 
 
 
 
24
 
9
 
10