Weekly Extreme Sudoku Competition for May 28 to Jun 3

Number 558, Extreme
by Crosswords Ltd. January 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
  8 1   7 6      
  9   5   2     8
    2       6    
  3              
9   8 1   5 2   4
              5  
    4       3    
7         1   6  
      7 5   4 2