C132233133112121111331333133313331312121111133313331333121111112332232311   >>    C13223313311212111133133313331333131212111113331333133312111111233223231   <<    C132233133112121111331333133313331312121111133313331333121111112332232313   >>      C132233133112121111331333133313331312121111133313331333121111112332232312   >>