Weekly Extreme Sudoku Competition for Jan 11 to Jan 17

Number 121, 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
  4 7   6        
    6 1     7   5
    3 5       4  
        1 2   9  
    8       3    
  9     7        
  3         4    
7   9     8 1    
        2   6 7