C111123313121111121111331333133313331323221211113311223132332311   >>    C11112331312111112111133133313331333132322121111331122313233231   <<    C111123313121111121111331333133313331323221211113311223132332313   >>      C111123313121111121111331333133313331323221211113311223132332312   >>