Weekly Extreme Sudoku Competition for Aug 12 to Aug 18

Number 308, Extreme
by Crosswords Ltd. March 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   1 6 9      
3 7             9
                 
4   8   3        
  6           4  
        5   1   6
    7     3      
              6 5
      8 7 6   1