It was first completed successfully by a 12-year-old American , Tom Schaar , on March 26 , 2012 .
It was first successfully concluded on 26 March 2012 by a 12-year-old American , Tom Schaar .
It was first successfully concluded on 26 March 2012 by a 12-year-old American , Tom Schaar .
Parafrasear la oración: It was first completed successfully by a 12-year-old American , Tom Schaar , on March 26 , 2012 . Producción: