D1323112331313331313311232322331323331323132213231333132313233313223311   >>    D132311233131333131331123232233132333132313221323133313231323331322331   <<    D1323112331313331313311232322331323331323132213231333132313233313223313   >>      D1323112331313331313311232322331323331323132213231333132313233313223312   >>