C13223313311212111133133313331333133313123223313231333133313222311   >>    C1322331331121211113313331333133313331312322331323133313331322231   <<    C13223313311212111133133313331333133313123223313231333133313222313   >>      C13223313311212111133133313331333133313123223313231333133313222312   >>