Solve the following cryptarithm:

      A A A 
      B B B
   +  C C C   
   --------          
    D E F G
Determine the digit represented by each letter
to make the addition correct.

A =
B =
C =
D =
E =
F =
G =




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Here is the answer:

    8 8 8 
    7 7 7    
 +  4 4 4     
 --------
  2 1 0 9