C31231211113313121211113313113313331333131133133313223331323221   >>    C3123121111331312121111331311331333133313113313331322333132322   <<    C31231211113313121211113313113313331333131133133313223331323223   >>      C31231211113313121211113313113313331333131133133313223331323222   >>