Weekly Extreme Sudoku Competition for Apr 28 to May 4

Number 658, Extreme
by Crosswords Ltd. April 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  
    5 6     1    
1       9   5    
  5 2 7          
      3   4      
    7     9   5  
        3       5
    8     1 9    
3 6           7