C3123223313331322121111331333133313331333121211113313331333211333123131211   >>    C312322331333132212111133133313331333133312121111331333133321133312313121   <<    C3123223313331322121111331333133313331333121211113313331333211333123131213   >>      C3123223313331322121111331333133313331333121211113313331333211333123131212   >>