C111123313121111121111331333133313331333133313331333132233133313223313123121   >>    C11112331312111112111133133313331333133313331333133313223313331322331312312   <<    C111123313121111121111331333133313331333133313331333132233133313223313123123   >>      C111123313121111121111331333133313331333133313331333132233133313223313123122   >>