Weekly Extreme Sudoku Competition for Jul 29 to Aug 4

Number 306, 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
3 8     4       5
              1 6
    5     9 8    
      4 5 3      
4               3
      6 1 7      
    2 8     4    
8 9              
1 5     6     2 8