Weekly Extreme Sudoku Competition for Jan 6 to Jan 12

Number 68, Extreme
by Crosswords Ltd. August 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            
  3       2      
  1   9   8 7 3  
4     1         7
        7        
6         9   2 5
  6 8     5   9  
      8       4  
            6