C13112133313331323321333133313331333131211113313331333133313331333132313312331   >>    C1311213331333132332133313331333133313121111331333133313331333133313231331233   <<    C13112133313331323321333133313331333131211113313331333133313331333132313312333   >>      C13112133313331323321333133313331333131211113313331333133313331333132313312332   >>