C13112133313331323321333133313331333133313331333133313331312111133112313221   >>    C1311213331333132332133313331333133313331333133313331333131211113311231322   <<    C13112133313331323321333133313331333133313331333133313331312111133112313223   >>      C13112133313331323321333133313331333133313331333133313331312111133112313222   >>