C31231211113313121211113313331333133313311211331333133313331321121221323321   >>    C3123121111331312121111331333133313331331121133133313331333132112122132332   <<    C31231211113313121211113313331333133313311211331333133313331321121221323323   >>      C31231211113313121211113313331333133313311211331333133313331321121221323322   >>