Weekly Extreme Sudoku Competition for May 21 to May 27

Number 557, Extreme
by Crosswords Ltd. May puzzle packs Now Out!. Thanks for supporting our site.

All entries must be in by the end of Saturday, May 27 23:59 EST, USA
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
1 7           3 9
        1 5     6
    2 4          
3 4           6 5
                 
  6       4   8 7
          8 9    
2     3 9        
7             1