C133323133112111133133313331333133313231322331323223313123231311   >>    C13332313311211113313331333133313331323132233132322331312323131   <<    C133323133112111133133313331333133313231322331323223313123231313   >>      C133323133112111133133313331333133313231322331323223313123231312   >>