C13223313311212111133133313331333133313232233131333132322113121121   >>    C1322331331121211113313331333133313331323223313133313232211312112   <<    C13223313311212111133133313331333133313232233131333132322113121123   >>      C13223313311212111133133313331333133313232233131333132322113121122   >>