Weekly Extreme Sudoku Competition for Jan 14 to Jan 20

Number 904, 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
        9   1    
  8     6     9  
    9 4     2    
  9   3   2 4 6  
  6           7  
    7     9   3  
    8     4 3    
  2           1  
    1   5