C13223313311212111133133313331323133313331323132322331323222121   >>    C1322331331121211113313331333132313331333132313232233132322212   <<    C13223313311212111133133313331323133313331323132322331323222123   >>      C13223313311212111133133313331323133313331323132322331323222122   >>