D1323112331313331313311232322331323331323331331121323113313232212121   >>    D132311233131333131331123232233132333132333133112132311331323221212   <<    D1323112331313331313311232322331323331323331331121323113313232212123   >>      D1323112331313331313311232322331323331323331331121323113313232212122   >>