C13223313311212111133133313331333132313231323331333133313111121133132212311   >>    C1322331331121211113313331333133313231323132333133313331311112113313221231   <<    C13223313311212111133133313331333132313231323331333133313111121133132212313   >>      C13223313311212111133133313331333132313231323331333133313111121133132212312   >>