C131121333133313233213331333133313331333133313331333131111331322331   >>    C13112133313331323321333133313331333133313331333133313111133132233   <<    C131121333133313233213331333133313331333133313331333131111331322333   >>      C131121333133313233213331333133313331333133313331333131111331322332   >>