Weekly Extreme Sudoku Competition for Feb 11 to Feb 17

Number 595, Extreme
by Crosswords Ltd. November 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       3       4
  1           3  
  8         2 1 5
    6 5          
      7   8      
          4 9    
2 5 9         7  
        8     2  
8       6