C31231211113313121211113313331323133313231133133313331333132311222323211   >>    C3123121111331312121111331333132313331323113313331333133313231122232321   <<    C31231211113313121211113313331323133313231133133313331333132311222323213   >>      C31231211113313121211113313331323133313231133133313331333132311222323212   >>