C31231211113313121211113313331323133313331333132322231333112211211   >>    C3123121111331312121111331333132313331333133313232223133311221121   <<    C31231211113313121211113313331323133313331333132322231333112211213   >>      C31231211113313121211113313331323133313331333132322231333112211212   >>