C131121333133313233213331333133313331333131133133313331333133131   >>    C13112133313331323321333133313331333133313113313331333133313313   <<    C131121333133313233213331333133313331333131133133313331333133133   >>      C131121333133313233213331333133313331333131133133313331333133132   >>