C13112133313331323321333133313331333131211113313331333131121322231   >>    C1311213331333132332133313331333133313121111331333133313112132223   <<    C13112133313331323321333133313331333131211113313331333131121322233   >>      C13112133313331323321333133313331333131211113313331333131121322232   >>