C31231211113313121211113313331323133313331333133112331322131121   >>    C3123121111331312121111331333132313331333133313311233132213112   <<    C31231211113313121211113313331323133313331333133112331322131123   >>      C31231211113313121211113313331323133313331333133112331322131122   >>