C13223313311212111133133313331333132333133313331323133112211111121   >>    C1322331331121211113313331333133313233313331333132313311221111112   <<    C13223313311212111133133313331333132333133313331323133112211111123   >>      C13223313311212111133133313331333132333133313331323133112211111122   >>