C13223313311212111133133313331333132313331333131333131123321121   >>    C1322331331121211113313331333133313231333133313133313112332112   <<    C13223313311212111133133313331333132313331333131333131123321123   >>      C13223313311212111133133313331333132313331333131333131123321122   >>