C111123313121111121111331333133313331333131322113121111331322123223332311   >>    C11112331312111112111133133313331333133313132211312111133132212322333231   <<    C111123313121111121111331333133313331333131322113121111331322123223332313   >>      C111123313121111121111331333133313331333131322113121111331322123223332312   >>