D233313133313221323132333131313231313331323331323132233131323331323223313123111   >>    D23331313331322132313233313131323131333132333132313223313132333132322331312311   <<    D233313133313221323132333131313231313331323331323132233131323331323223313123113   >>      D233313133313221323132333131313231313331323331323132233131323331323223313123112   >>