C111123313121111121111331333133313331333131132332313331323223311   >>    C11112331312111112111133133313331333133313113233231333132322331   <<    C111123313121111121111331333133313331333131132332313331323223313   >>      C111123313121111121111331333133313331333131132332313331323223312   >>