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
    25      94
    4      2    
        9    5  
          5  28
2        8    1
    7    6      
              4  
86    3        
    52          
          8  4  
4      5  1    
3              8
5          67  
  7            5
    6  9        
    86  4      
  2      3      
6  9      2  4