C13223313311212111133133313331333133313231323133213331311332223321   >>    C1322331331121211113313331333133313331323132313321333131133222332   <<    C13223313311212111133133313331333133313231323133213331311332223323   >>      C13223313311212111133133313331333133313231323133213331311332223322   >>