C31231211113313121211113313331323133313231133133313331322331323331323331333121   >>    C3123121111331312121111331333132313331323113313331333132233132333132333133312   <<    C31231211113313121211113313331323133313231133133313331322331323331323331333123   >>      C31231211113313121211113313331323133313231133133313331322331323331323331333122   >>