C111123313121111121111331333133313331311331333131211113313331323222332311   >>    C11112331312111112111133133313331333131133133313121111331333132322233231   <<    C111123313121111121111331333133313331311331333131211113313331323222332313   >>      C111123313121111121111331333133313331311331333131211113313331323222332312   >>