Weekly Extreme Sudoku Competition for May 27 to Jun 2

Number 297, 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
    1   9       8
        1 4      
    7     6   5  
4           5    
  2     3     6  
5   9       2   1
      8     9    
      2 5        
3       4   7