Weekly Extreme Sudoku Competition for Jun 3 to Jun 9

Number 611, 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
4     5     9   3
7     9   6      
6       4        
    8       1   7
    4            
9   7   8   4    
                1
      7   5     2
5   3     9     4