C13223313311212111133133313331323133313233313121111331333133313112211233131   >>    C1322331331121211113313331333132313331323331312111133133313331311221123313   <<    C13223313311212111133133313331323133313233313121111331333133313112211233133   >>      C13223313311212111133133313331323133313233313121111331333133313112211233132   >>