C2212133313231331121111331333133313223313113313331333131133133313123311   >>    C221213331323133112111133133313331322331311331333133313113313331312331   <<    C2212133313231331121111331333133313223313113313331333131133133313123313   >>      C2212133313231331121111331333133313223313113313331333131133133313123312   >>