Weekly Extreme Sudoku Competition for Dec 3 to Dec 9

Number 898, 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
2       6   9    
    8   7   4    
      3     1   5
          5 3 4  
                 
  7 6 2       5  
6         8      
    1   3   6    
  9 4   5       1