C13112133313331323321333133313331333133313331333133313331312111111211313221   >>    C1311213331333132332133313331333133313331333133313331333131211111121131322   <<    C13112133313331323321333133313331333133313331333133313331312111111211313223   >>      C13112133313331323321333133313331333133313331333133313331312111111211313222   >>