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