C312312111133131121333133313113313331333133313331333121111331323331333131   >>    C31231211113313112133313331311331333133313331333133312111133132333133313   <<    C312312111133131121333133313113313331333133313331333121111331323331333133   >>      C312312111133131121333133313113313331333133313331333121111331323331333132   >>