C31231211113313121211113313331333133313311211331333133313332111131321321   >>    C3123121111331312121111331333133313331331121133133313331333211113132132   <<    C31231211113313121211113313331333133313311211331333133313332111131321323   >>      C31231211113313121211113313331333133313311211331333133313332111131321322   >>