C31231211111133131211113313331333133112111133133313331323112331322122321   >>    C3123121111113313121111331333133313311211113313331333132311233132212232   <<    C31231211111133131211113313331333133112111133133313331323112331322122323   >>      C31231211111133131211113313331333133112111133133313331323112331322122322   >>