C13223313311212111133133313331323133313331323121111331311331133132311311   >>    C1322331331121211113313331333132313331333132312111133131133113313231131   <<    C13223313311212111133133313331323133313331323121111331311331133132311313   >>      C13223313311212111133133313331323133313331323121111331311331133132311312   >>