Weekly Extreme Sudoku Competition for Dec 12 to Dec 18

Number 221, Extreme
by Crosswords Ltd. August 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     9
      5       4  
    7       8    
8   9   7   6    
        9        
    2   4   5   3
    8 7   3 4    
  1       2      
5     8         6