Weekly Extreme Sudoku Competition for May 12 to May 18

Number 347, Extreme
by Crosswords Ltd. August 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
  6   4 5     1  
      1   8      
  1 9       6    
6     3         1
  5 3       4 9  
9         5     3
    2       7 6  
      7   2      
  8           4