Weekly Extreme Sudoku Competition for Jan 1 to Jan 7

Number 276, 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
    5 3       1  
        7        
    9     8 4   6
8   4 7          
9     8 1 5     3
          9 6   8
5   8 9     1    
        2        
  4       3 9