C3123121111331312121111331333132313331323113313331333132233132212323131   >>    C312312111133131212111133133313231333132311331333133313223313221232313   <<    C3123121111331312121111331333132313331323113313331333132233132212323133   >>      C3123121111331312121111331333132313331323113313331333132233132212323132   >>