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
            98  
    78  6      
          1    2
2      7  64  
7  5  3        
    6        3  
  5      4      
        8    16
  2  1          
9                
  6  4          
    782    4  
        3        
1  9          2
          651  
5    1    8    
  2    9  7    
49    6