C131121333133313233213331333133313331333133313331333133313331333131212111112331   >>    C13112133313331323321333133313331333133313331333133313331333133313121211111233   <<    C131121333133313233213331333133313331333133313331333133313331333131212111112333   >>      C131121333133313233213331333133313331333133313331333133313331333131212111112332   >>