Weekly Extreme Sudoku Competition for Dec 28 to Jan 3

Number 1006, Extreme
by Crosswords Ltd. January 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
    2            
          7     4
  6     4     1 2
    9 4         6
      5   2 8    
7         9 1    
4 5     9     7  
9     1          
    1       5