C13223313311212111133133313331333133313123223313231333133313222121211   >>    C1322331331121211113313331333133313331312322331323133313331322212121   <<    C13223313311212111133133313331333133313123223313231333133313222121213   >>      C13223313311212111133133313331333133313123223313231333133313222121212   >>