C31232233133313221211113313331333133313331212111112111113331322313331   >>    C3123223313331322121111331333133313331333121211111211111333132231333   <<    C31232233133313221211113313331333133313331212111112111113331322313333   >>      C31232233133313221211113313331333133313331212111112111113331322313332   >>