Weekly Extreme Sudoku Competition for Jun 8 to Jun 14

Number 977, Extreme
by Crosswords Ltd. June 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   9      
                5
    6     1 9 7  
  7     9 8 2 6  
      1 2 3      
  2 4 7 5     1  
  4 9 8     1    
8                
      9   2