C31232233133313221211113313331333133313113311331333133323213333121   >>    C3123223313331322121111331333133313331311331133133313332321333312   <<    C31232233133313221211113313331333133313113311331333133323213333123   >>      C31232233133313221211113313331333133313113311331333133323213333122   >>