C31232233133313221211113313331333133313331212111113331322122331211   >>    C3123223313331322121111331333133313331333121211111333132212233121   <<    C31232233133313221211113313331333133313331212111113331322122331213   >>      C31232233133313221211113313331333133313331212111113331322122331212   >>