C31232233133313221211113313331333133313113311331333133323213331213321   >>    C3123223313331322121111331333133313331311331133133313332321333121332   <<    C31232233133313221211113313331333133313113311331333133323213331213323   >>      C31232233133313221211113313331333133313113311331333133323213331213322   >>