C13223313311212111133133313331333133313232233133313332313331323113313333213121   >>    C1322331331121211113313331333133313331323223313331333231333132311331333321312   <<    C13223313311212111133133313331333133313232233133313332313331323113313333213123   >>      C13223313311212111133133313331333133313232233133313332313331323113313333213122   >>