Weekly Extreme Sudoku Competition for Dec 31 to Jan 6

Number 15, Extreme
by Crosswords Ltd. August 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     4 8       5
            7    
    7 2   9 4    
  3     9     6  
4     8   5     3
  2     3     5  
    5 9   3 1    
    4            
3       7 8     9