C31232233133313221211113313331333133313331212111133121111133313331311211113311   >>    C3123223313331322121111331333133313331333121211113312111113331333131121111331   <<    C31232233133313221211113313331333133313331212111133121111133313331311211113313   >>      C31232233133313221211113313331333133313331212111133121111133313331311211113312   >>