Douglas quiz

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Across
  1. 10. happy twist of fate(11)
  2. 12. early morning song (6)
  3. 14. On the Malone Road (9,4)
  4. 16. loves own reflection, distinctly welsh (9)
  5. 18. shrewdness (6)
  6. 19. strengthening of sugar (12)
  7. 20. How to approach a welsh lady... (10)
Down
  1. 1. non-numerical (11)
  2. 2. was paved for a parking lot (8)
  3. 3. cuddle (5)
  4. 4. stubborn, resist authority (12)
  5. 5. a plant's water veins (5)
  6. 6. racing through the best days, you give me... (4,4)
  7. 7. exhalation of wet earth (9)
  8. 8. sandy, great for the garden (4)
  9. 9. Most typical and concentrated, purest (12)
  10. 10. sly, ingratiating (7)
  11. 11. Improvement (12)
  12. 13. to totally change (12)
  13. 15. amylase (7)
  14. 17. comfortable seat (5)