C13223313311212111133133313331323133313331323131133132313133312121   >>    C1322331331121211113313331333132313331333132313113313231313331212   <<    C13223313311212111133133313331323133313331323131133132313133312123   >>      C13223313311212111133133313331323133313331323131133132313133312122   >>