Complete
00:00:00
1 8 10 12 19 21 2 18 3 13 15 4 9 16 5 14 6 17 20 7 11
  1. 1 a Parking system (3,3,7)
  2. 8 a Play a leading role (4)
  3. 9 a Continuing life routinely without much effort — cats go in (anag) (8)
  4. 10 a Black Beauty author (4,6)
  5. 12 a Noisy disturbance (6)
  6. 14 a Deeply distressing (6)
  7. 15 a Four-sided figures (10)
  8. 19 a Boxer (8)
  9. 20 a Be unsuccessful (4)
  10. 21 a Risking everything (5,3,5)
  11. 2 d Radioactive element, Ac (8)
  12. 3 d Major blood vessel (5)
  13. 4 d Edicts (7)
  14. 5 d Incensed (5)
  15. 6 d Kneecap (7)
  16. 7 d A parental sister (4)
  17. 11 d Humorous verse form (8)
  18. 13 d Serving (7)
  19. 14 d Farm vehicle (7)
  20. 16 d Principal (5)
  21. 17 d Employee who runs errands (5)
  22. 18 d Olympic sport similar to wrestling, developed in Japan (4)

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