Weekly Extreme Killer Sudoku Competition for Feb 6 to Feb 12

Number 803, 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
13
8
19
 
 
14
15
11
 
 
 
13
 
 
 
 
19
 
6
18
4
 
19
 
 
 
 
 
 
 
8
 
 
4
 
13
10
10
 
9
 
 
13
 
 
 
9
 
17
13
 
15
 
10
14
 
14
 
 
12
 
 
 
17
 
 
20
 
10
 
13
7
 
 
 
 
8