Weekly Extreme Sudoku Competition for Oct 16 to Oct 22

Number 839, 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
      8       5  
6       1   9    
1   3 4         6
          5   2  
      7          
  4 1 9          
4     1         7
    7   8       3
  2       3