C13223313311212111133133313331333133313123223313231333133311331333132222311   >>    C1322331331121211113313331333133313331312322331323133313331133133313222231   <<    C13223313311212111133133313331333133313123223313231333133311331333132222313   >>      C13223313311212111133133313331333133313123223313231333133311331333132222312   >>