C31231211113313121211113313331323133313231133133313331333132212113122332311   >>    C3123121111331312121111331333132313331323113313331333133313221211312233231   <<    C31231211113313121211113313331323133313231133133313331333132212113122332313   >>      C31231211113313121211113313331323133313231133133313331333132212113122332312   >>