C312312111133131121333133313113313331333133313331333121111331323331321   >>    C31231211113313112133313331311331333133313331333133312111133132333132   <<    C312312111133131121333133313113313331333133313331333121111331323331323   >>      C312312111133131121333133313113313331333133313331333121111331323331322   >>