Weekly Extreme Sudoku Competition for Apr 6 to Apr 12

Number 81, Extreme
by Crosswords Ltd. October 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
    7       5    
      7 3        
1 9   2   8      
    3       4   7
  8           6  
6   2       8    
      6   7   5 3
        5 1      
    4       7