Weekly Extreme Sudoku Competition for Jun 14 to Jun 20

Number 143, 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
  6   2 9 4     7
                9
    2 3     5    
3           8   2
        5        
9   7           3
    4     5 1    
6       4        
8     6 3 1   9