10/13

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Across
  1. 3. a game or activity for fun and exercise
  2. 7. clean and not mixed with anything else
  3. 11. to look for something
  4. 12. careful and complete
  5. 13. to write down or keep track of something
  6. 14. serious and sincere
  7. 15. not clean
  8. 17. having value or importance
  9. 18. hurt by heat or fire
  10. 19. used many times or old-looking
  11. 21. before the usual time
  12. 23. gaining new knowledge or a skill
Down
  1. 1. to make better or heal
  2. 2. not as good as before
  3. 4. the number after twelve
  4. 5. a path or a set of lessons
  5. 6. the flow of water or electricity
  6. 8. needing something to drink
  7. 9. a part or share of something
  8. 10. wanting to learn or know more
  9. 11. hurting or painful
  10. 13. to go back
  11. 16. from another country
  12. 20. the earth or all the people and places on it
  13. 22. a flat piece of wood or a surface to write on