Weekly Extreme Sudoku Competition for Jun 10 to Jun 16

Number 612, 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
  9 4 2       8  
2         7      
      5          
  4           6  
5   3       7   9
  8 9         1  
          5      
      8   6     3
    1     9 4 2