C13223313311212111133133313331333133313123223313231333133313112222131   >>    C1322331331121211113313331333133313331312322331323133313331311222213   <<    C13223313311212111133133313331333133313123223313231333133313112222133   >>      C13223313311212111133133313331333133313123223313231333133313112222132   >>