C3123223313331322121111331333133313331333121211113313331322213331211   >>    C312322331333132212111133133313331333133312121111331333132221333121   <<    C3123223313331322121111331333133313331333121211113313331322213331213   >>      C3123223313331322121111331333133313331333121211113313331322213331212   >>