Weekly Extreme Sudoku Competition for Oct 1 to Oct 7

Number 576, 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     2   5     4
6     8       9  
                 
  2     9     3  
5 9           4 8
  7     8     1  
                 
  3       9 4   7
2     7   8     9