opposites preint

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Across
  1. 3. safe
  2. 5. dirty
  3. 7. impossible
  4. 10. mean
  5. 12. pass
  6. 13. dry
Down
  1. 1. dark
  2. 2. fast
  3. 3. horrible
  4. 4. fat
  5. 6. expensive
  6. 8. interesting
  7. 9. light
  8. 11. beautiful
  9. 12. slow