C13223313311212111133133313331333132313331333133313311232233131   >>    C1322331331121211113313331333133313231333133313331331123223313   <<    C13223313311212111133133313331333132313331333133313311232233133   >>      C13223313311212111133133313331333132313331333133313311232233132   >>