Weekly Extreme Sudoku Competition for Aug 12 to Aug 18

Number 621, 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
8               4
    9   4   7    
  2   5   6      
5             4  
        6        
9 7       8     3
      8 7 3   2  
    4   9   1    
3               7