C31231211111133131211113313331333121111133313331333133313331333133313221211331   >>    C3123121111113313121111331333133312111113331333133313331333133313331322121133   <<    C31231211111133131211113313331333121111133313331333133313331333133313221211333   >>      C31231211111133131211113313331333121111133313331333133313331333133313221211332   >>