C13223313311212111133133313331333132313331333133313112211232331   >>    C1322331331121211113313331333133313231333133313331311221123233   <<    C13223313311212111133133313331333132313331333133313112211232333   >>      C13223313311212111133133313331333132313331333133313112211232332   >>