Weekly Extreme Sudoku Competition for Jun 26 to Jul 2

Number 510, Extreme
by Crosswords Ltd. June puzzle packs Now Out!. Thanks for supporting our site.

All entries must be in by the end of Saturday, Jul 2 23:59 EST, USA
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
  4         9 8  
    5   4   7   3
    9 2          
      9 2        
  2   8 6 1   4  
        7 4      
          5 8    
3   8   1   2    
  6           3