C1111133313331323223313331333133313331323131232313113313123121121   >>    C111113331333132322331333133313331333132313123231311331312312112   <<    C1111133313331323223313331333133313331323131232313113313123121123   >>      C1111133313331323223313331333133313331323131232313113313123121122   >>