C111123313121111121111331333133313331323232133313331333133313112132322231   >>    C11112331312111112111133133313331333132323213331333133313331311213232223   <<    C111123313121111121111331333133313331323232133313331333133313112132322233   >>      C111123313121111121111331333133313331323232133313331333133313112132322232   >>