C31231211113313121211113313331323133313231133133313331322331323331322321   >>    C3123121111331312121111331333132313331323113313331333132233132333132232   <<    C31231211113313121211113313331323133313231133133313331322331323331322323   >>      C31231211113313121211113313331323133313231133133313331322331323331322322   >>