Weekly Extreme Sudoku Competition for Dec 30 to Jan 5

Number 328, Extreme
by Crosswords Ltd. December 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
3 6   4   9      
    9         3  
5           2   9
  9     4 1      
    7 6   2 5    
      5 3     9  
7   6           4
  5         8    
      2   7   1 5