Weekly Extreme Sudoku Competition for May 17 to May 23

Number 713, 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
  4     7     6  
2 7     5       9
1 6             7
      2 4 6      
7               6
      7 1 3      
8             1 4
3       9     8 5
  1           7