C13223313311212111133133313331323133313331323113313232233113121   >>    C1322331331121211113313331333132313331333132311331323223311312   <<    C13223313311212111133133313331323133313331323113313232233113123   >>      C13223313311212111133133313331323133313331323113313232233113122   >>