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
  4            6
    6  7    2  
3  9    15    
8              1
            86  
  3  5          
        95  7  
9          2    
    218      5
        7  3    
        1    42
6                
  5      3    7
  23          6
1    9          
9          8    
    218    9  
    62    5