D331313123121133131333131322331313331323331313232233132333132313331323211   >>    D33131312312113313133313132233131333132333131323223313233313231333132321   <<    D331313123121133131333131322331313331323331313232233132333132313331323213   >>      D331313123121133131333131322331313331323331313232233132333132313331323212   >>