C31232233133313221211113313331333133313331212111112111113331213321   >>    C3123223313331322121111331333133313331333121211111211111333121332   <<    C31232233133313221211113313331333133313331212111112111113331213323   >>      C31232233133313221211113313331333133313331212111112111113331213322   >>