C31231211113313121211113313331323133313331333132212111133122331   >>    C3123121111331312121111331333132313331333133313221211113312233   <<    C31231211113313121211113313331323133313331333132212111133122333   >>      C31231211113313121211113313331323133313331333132212111133122332   >>