Weekly Extreme Sudoku Competition for May 3 to May 9

Number 137, Extreme
by Crosswords Ltd. December 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   9       5  
  9     3 1   2  
    7 6          
  1 5       8    
  8           6  
    4       5 1  
          5 2    
      3 1     7  
  3   8   6   9