Weekly Extreme Sudoku Competition for Jan 16 to Jan 22

Number 800, 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    
    6   5 3   8  
  4 5 1 9     6  
2           1   9
        6        
7   8           5
  2       6 5    
  1   4     7    
    9