C312312111133131121333133313113313331333133313331331121111331322331311331   >>    C31231211113313112133313331311331333133313331333133112111133132233131133   <<    C312312111133131121333133313113313331333133313331331121111331322331311333   >>      C312312111133131121333133313113313331333133313331331121111331322331311332   >>