C312312111133131121333133313113313331333133313331333133313331333133313111131211   >>    C31231211113313112133313331311331333133313331333133313331333133313331311113121   <<    C312312111133131121333133313113313331333133313331333133313331333133313111131213   >>      C312312111133131121333133313113313331333133313331333133313331333133313111131212   >>