C13112133313331323321333133313331333133313331333133313331312322321111211331   >>    C1311213331333132332133313331333133313331333133313331333131232232111121133   <<    C13112133313331323321333133313331333133313331333133313331312322321111211333   >>      C13112133313331323321333133313331333133313331333133313331312322321111211332   >>