D211323331313331313331322331323113313231323231323132313231323221121   >>    D21132333131333131333132233132311331323132323132313231323132322112   <<    D211323331313331313331322331323113313231323231323132313231323221123   >>      D211323331313331313331322331323113313231323231323132313231323221122   >>