Weekly Extreme Sudoku Competition for Oct 13 to Oct 19

Number 682, 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
    3   9     6  
  8   7          
    4     8 2   1
        4 9     2
    2       7    
4     1 7        
2   7 4     5    
          7      
  1     3   4 7