C13223313311212111133133313331333133313232233133313311231313331   >>    C1322331331121211113313331333133313331323223313331331123131333   <<    C13223313311212111133133313331333133313232233133313311231313333   >>      C13223313311212111133133313331333133313232233133313311231313332   >>