Weekly Extreme Sudoku Competition for Jan 15 to Jan 21

Number 852, Extreme
by Crosswords Ltd. December puzzle packs Now Out!. Thanks for supporting our site.
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
    7 9 3     8  
3       1   6    
1               9
4   6   9        
      6   5      
        8   3   7
6               4
    2   4   7    
  4     2 9 8