C31231211113313121211113313331323133313231133133313331323132213232131   >>    C3123121111331312121111331333132313331323113313331333132313221323213   <<    C31231211113313121211113313331323133313231133133313331323132213232133   >>      C31231211113313121211113313331323133313231133133313331323132213232132   >>