C31231211111133131211113313331323133313113313223133313331322331311211121   >>    C3123121111113313121111331333132313331311331322313331333132233131121112   <<    C31231211111133131211113313331323133313113313223133313331322331311211123   >>      C31231211111133131211113313331323133313113313223133313331322331311211122   >>