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print Tree('(((( ((A, A), C), (A,B)), (A,B)), (A, B)), ((C, D), (C,D)));') /-A /-| /-| \-A | | /-| \-C | | | | /-A /-| \-| | | \-B | | | | /-A /-| \-| | | \-B | | | | /-A | \-| --| \-B | | /-C | /-| | | \-D \-| | /-C \-| \-D