C111123313121111121111331333133313331333133313121111331123313211   >>    C11112331312111112111133133313331333133313331312111133112331321   <<    C111123313121111121111331333133313331333133313121111331123313213   >>      C111123313121111121111331333133313331333133313121111331123313212   >>