C111123313121111121111331333133313331323232133313331333131123313223132231   >>    C11112331312111112111133133313331333132323213331333133313112331322313223   <<    C111123313121111121111331333133313331323232133313331333131123313223132233   >>      C111123313121111121111331333133313331323232133313331333131123313223132232   >>