Weekly Extreme Sudoku Competition for Sep 9 to Sep 15

Number 312, Extreme
by Crosswords Ltd. October 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
    6     1      
8   1   9   6 4  
2           5    
4     1          
    2   3   8    
          2     7
    8           5
5 3 7   6   2   9
      3     4