Weekly Extreme Sudoku Competition for Dec 1 to Dec 7

Number 376, Extreme
by Crosswords Ltd. March 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
9               8
  1     7       6
4 2   5       3  
  7 5       3    
        1        
    9       8 4  
  5       4   8 1
8       2     7  
          1     3