C13112133313331323321333133313331333131211113313331333133321322331   >>    C1311213331333132332133313331333133313121111331333133313332132233   <<    C13112133313331323321333133313331333131211113313331333133321322333   >>      C13112133313331323321333133313331333131211113313331333133321322332   >>