Weekly Extreme Sudoku Competition for Jul 23 to Jul 29

Number 566, Extreme
by Crosswords Ltd. July puzzle packs Now Out!. Thanks for supporting our site.

All entries must be in by the end of Saturday, Jul 29 23:59 EST, USA
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
7       1 6   3  
  3              
6         2     7
4   8 1          
  7           4  
          5 2   6
9         8     2
              5  
  2   7 3       8