C31231211113313121211113313331323133313331333132212111112112331313221   >>    C3123121111331312121111331333132313331333133313221211111211233131322   <<    C31231211113313121211113313331323133313331333132212111112112331313223   >>      C31231211113313121211113313331323133313331333132212111112112331313222   >>