C131121333133313233213331333133313331333133313133313331311223322231   >>    C13112133313331323321333133313331333133313331313331333131122332223   <<    C131121333133313233213331333133313331333133313133313331311223322233   >>      C131121333133313233213331333133313331333133313133313331311223322232   >>