D1323112331313331313311232322331323132322331333131323133313223313231333121   >>    D132311233131333131331123232233132313232233133313132313331322331323133312   <<    D1323112331313331313311232322331323132322331333131323133313223313231333123   >>      D1323112331313331313311232322331323132322331333131323133313223313231333122   >>