Weekly Extreme Sudoku Competition for Nov 19 to Nov 25

Number 583, Extreme
by Crosswords Ltd. December 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
2         5      
    9   6        
  8     3     7  
9 2         3 1  
  7   2   1   5  
    8         4 6
  5           3  
            5    
3     7         8