C13223313311212111133133313331323133313331323113313113313132313232231   >>    C1322331331121211113313331333132313331333132311331311331313231323223   <<    C13223313311212111133133313331323133313331323113313113313132313232233   >>      C13223313311212111133133313331323133313331323113313113313132313232232   >>