C13223313311212111133133313331323133313331323131133133313123121221   >>    C1322331331121211113313331333132313331333132313113313331312312122   <<    C13223313311212111133133313331323133313331323131133133313123121223   >>      C13223313311212111133133313331323133313331323131133133313123121222   >>