D1323112331313331313311232322331323132322331333131323133313233313223121   >>    D132311233131333131331123232233132313232233133313132313331323331322312   <<    D1323112331313331313311232322331323132322331333131323133313233313223123   >>      D1323112331313331313311232322331323132322331333131323133313233313223122   >>