Weekly Extreme Sudoku Competition for Dec 31 to Jan 6

Number 589, 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             6 2
4       9        
      1   3      
8   7 2     3    
          6      
    6   1   2   8
      4   1      
        8        
2 4           3 9