C111123313121111121111331333133313331322121111331333131133132311111   >>    C11112331312111112111133133313331333132212111133133313113313231111   <<    C111123313121111121111331333133313331322121111331333131133132311113   >>      C111123313121111121111331333133313331322121111331333131133132311112   >>