C312312111133131121333133313113313331333133313331333133313331333133313111211121   >>    C31231211113313112133313331311331333133313331333133313331333133313331311121112   <<    C312312111133131121333133313113313331333133313331333133313331333133313111211123   >>      C312312111133131121333133313113313331333133313331333133313331333133313111211122   >>