Weekly Extreme Sudoku Competition for Oct 11 to Oct 17

Number 473, Extreme
by Crosswords Ltd. January 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
        6       4
8   6 2          
  5 7         9  
  1 4            
6     3   7     1
  7         6 8  
  4         1    
7         6 4   2
3       1