Weekly Extreme Sudoku Competition for Sep 3 to Sep 9

Number 572, 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
          6     4
7         3      
  1     8     6  
5           1    
      1 3 5      
    6           3
  8     4     9  
4 7   9       1 5
9     7