C31231211113313121211113313331333133313331213331333133312111111331322321311321   >>    C3123121111331312121111331333133313331333121333133313331211111133132232131132   <<    C31231211113313121211113313331333133313331213331333133312111111331322321311323   >>      C31231211113313121211113313331333133313331213331333133312111111331322321311322   >>