Solve the following cryptarithm:

       O N E
    +  O N E
 -------------
       T W O  
Determine the digit represented by each letter
to make the addition correct.

E =
O =
N =
T =
W =




------------------------------------------------------------



Here is the answer:

  2 3 1
+ 2 3 1
-------
  4 6 2 

and there are many other solutions.