C13223313311212111133133313331333133313123223313231333133323311311   >>    C1322331331121211113313331333133313331312322331323133313332331131   <<    C13223313311212111133133313331333133313123223313231333133323311313   >>      C13223313311212111133133313331333133313123223313231333133323311312   >>