C31232233133313221211113313331333133313331212111133121111121111132313222311   >>    C3123223313331322121111331333133313331333121211113312111112111113231322231   <<    C31232233133313221211113313331333133313331212111133121111121111132313222313   >>      C31232233133313221211113313331333133313331212111133121111121111132313222312   >>