C31232233133313221211113313331333133313331212111112111113331312132311   >>    C3123223313331322121111331333133313331333121211111211111333131213231   <<    C31232233133313221211113313331333133313331212111112111113331312132313   >>      C31232233133313221211113313331333133313331212111112111113331312132312   >>