C31231211113313121211113313331323133313331333132322121111113313232231   >>    C3123121111331312121111331333132313331333133313232212111111331323223   <<    C31231211113313121211113313331323133313331333132322121111113313232233   >>      C31231211113313121211113313331323133313331333132322121111113313232232   >>