C22213331333133313112331323133313331333133313222313331313312131   >>    C2221333133313331311233132313331333133313331322231333131331213   <<    C22213331333133313112331323133313331333133313222313331313312133   >>      C22213331333133313112331323133313331333133313222313331313312132   >>