C3123223313331322121111331333133313331333121211113313311221323321   >>    C312322331333132212111133133313331333133312121111331331122132332   <<    C3123223313331322121111331333133313331333121211113313311221323323   >>      C3123223313331322121111331333133313331333121211113313311221323322   >>