Weekly Extreme Sudoku Competition for Dec 9 to Dec 15

Number 64, 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
  8              
6 2           4 5
      3 6       7
      2     9    
  6     3        
    1     7      
4   9   5   2    
1 7           6 9
              7