C3123223313331322121111331333133313331333121211113312111112111112122311   >>    C312322331333132212111133133313331333133312121111331211111211111212231   <<    C3123223313331322121111331333133313331333121211113312111112111112122313   >>      C3123223313331322121111331333133313331333121211113312111112111112122312   >>