Weekly Extreme Sudoku Competition for Dec 2 to Dec 8

Number 324, Extreme
by Crosswords Ltd. November 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
  4     9 7   6  
  5         7    
7           9   1
        4   6    
4     6       1 3
    8   2        
1   5           8
    9         3  
  3     1     5