C1111233131211111211113313331333133313331333133313331333121111331322231322331   >>    C111123313121111121111331333133313331333133313331333133312111133132223132233   <<    C1111233131211111211113313331333133313331333133313331333121111331322231322333   >>      C1111233131211111211113313331333133313331333133313331333121111331322231322332   >>