C13223313311212111133133313331333133313232233133313311231331211   >>    C1322331331121211113313331333133313331323223313331331123133121   <<    C13223313311212111133133313331333133313232233133313311231331213   >>      C13223313311212111133133313331333133313232233133313311231331212   >>