D2311233132233131323132333131313232233132321133132313112211232313111   >>    D231123313223313132313233313131323223313232113313231311221123231311   <<    D2311233132233131323132333131313232233132321133132313112211232313113   >>      D2311233132233131323132333131313232233132321133132313112211232313112   >>