D1323112331313331313311232322331323132322331333131323133313113313233111   >>    D132311233131333131331123232233132313232233133313132313331311331323311   <<    D1323112331313331313311232322331323132322331333131323133313113313233113   >>      D1323112331313331313311232322331323132322331333131323133313113313233112   >>