Weekly Extreme Sudoku Competition for Oct 2 to Oct 8

Number 837, 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
    2 5     6    
3         6     5
      4 7       1
      7 6   2    
  9           3  
    6   8 3      
5       2   4    
7     6         2
    8     9 1