C31231211113313121211113313113313331333132322331322133313133313112113121   >>    C3123121111331312121111331311331333133313232233132213331313331311211312   <<    C31231211113313121211113313113313331333132322331322133313133313112113123   >>      C31231211113313121211113313113313331333132322331322133313133313112113122   >>