Weekly Extreme Sudoku Competition for Oct 23 to Oct 29

Number 840, 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
      1         8
  6         5 3  
    8   2   6    
6     7   9 8 2  
                 
  2 7 8   5     9
    5   4   3    
    3         4  
2       7 1