Weekly Extreme Sudoku Competition for Sep 2 to Sep 8

Number 311, 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
2                
  3     2     9  
  5 9 1   6 7    
7         2      
    8   5   9   4
      3         5
    2 8   1 5 6  
        3     8  
                7