DOUBLE SUDOKU

In each part write one digit into each blank square so that every horizontal row, every vertical column, and every 3×3 block contains the digits 1 to 9 exactly once each. Each square in Part A must contain a different digit from the corresponding square in Part B.


Part A Part B
    19      6  
  3            2
          68    
        87      
7  9        1  
  5          23
    874  1    
3      5      9
          92    
    2    58    
  45    3      
      4      6  
        6        
4          1    
  6          52
  2          7  
          1  3  
    8    2    9