C312312111133131121333133313113313331333133313331333133313331333132311111211   >>    C31231211113313112133313331311331333133313331333133313331333133313231111121   <<    C312312111133131121333133313113313331333133313331333133313331333132311111213   >>      C312312111133131121333133313113313331333133313331333133313331333132311111212   >>