C13223313311212111133133313331333133313232233133313311211111211113311211321121   >>    C1322331331121211113313331333133313331323223313331331121111121111331121132112   <<    C13223313311212111133133313331333133313232233133313311211111211113311211321123   >>      C13223313311212111133133313331333133313232233133313311211111211113311211321122   >>