D1323112331313331313311232322331323132322331333131323331323221121   >>    D132311233131333131331123232233132313232233133313132333132322112   <<    D1323112331313331313311232322331323132322331333131323331323221123   >>      D1323112331313331313311232322331323132322331333131323331323221122   >>