C13223313311212111133133313331333133313123223313231333133313113112213111   >>    C1322331331121211113313331333133313331312322331323133313331311311221311   <<    C13223313311212111133133313331333133313123223313231333133313113112213113   >>      C13223313311212111133133313331333133313123223313231333133313113112213112   >>