C22213331333133313112331323133313331333133313222313331313231232231   >>    C2221333133313331311233132313331333133313331322231333131323123223   <<    C22213331333133313112331323133313331333133313222313331313231232233   >>      C22213331333133313112331323133313331333133313222313331313231232232   >>