C13223313311212111133133313331333133313123223313231333133322331   >>    C1322331331121211113313331333133313331312322331323133313332233   <<    C13223313311212111133133313331333133313123223313231333133322333   >>      C13223313311212111133133313331333133313123223313231333133322332   >>