c

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Across
  1. 3. strict
  2. 4. patient
  3. 6. fun
  4. 8. useful
  5. 10. funny
  6. 11. nice
  7. 12. complicated
  8. 13. tiring
Down
  1. 1. difficult
  2. 2. friendly
  3. 5. boring
  4. 7. interesting
  5. 9. easy