D231313331313331313331313331323113313231323132313232233132323221   >>    D23131333131333131333131333132311331323132313231323223313232322   <<    D231313331313331313331313331323113313231323132313232233132323223   >>      D231313331313331313331313331323113313231323132313232233132323222   >>