C111123313121111121111331333133313331333133313331333133313331322332111   >>    C11112331312111112111133133313331333133313331333133313331333132233211   <<    C111123313121111121111331333133313331333133313331333133313331322332113   >>      C111123313121111121111331333133313331333133313331333133313331322332112   >>