C31231211113313121211113313331323133313331333132212111133221231   >>    C3123121111331312121111331333132313331333133313221211113322123   <<    C31231211113313121211113313331323133313331333132212111133221233   >>      C31231211113313121211113313331323133313331333132212111133221232   >>