Complete
00:00:00
7 14 19 1 9 12 21 2 15 3 11 20 10 4 18 16 5 8 13 6 17
  1. 1 a American crime syndicate, having close relations with the Sicilian Mafia (4,6)
  2. 7 a Grandfather, say (or a grandfather clock?) (3-5)
  3. 8 a Nibble (4)
  4. 9 a Electrical sound (4)
  5. 10 a First artificial Earth satellite, orbiting from October 1957 to January 1958 (7)
  6. 12 a Chimney climber and repairer (11)
  7. 14 a Small acting role (3,4)
  8. 16 a Crossword arrangement (4)
  9. 19 a Complain(t) (4)
  10. 20 a Australian state formerly known as Van Diemen's Land (8)
  11. 21 a Antics (10)
  12. 1 d Star (abbr) (5)
  13. 2 d That will teach you! (2,5)
  14. 3 d Denomination (4)
  15. 4 d Shell fragments (8)
  16. 5 d Prove to be false (5)
  17. 6 d Endangered (2,4)
  18. 11 d Drink before a meal (8)
  19. 12 d Name of Ho Chi Minh City until 1976 (6)
  20. 13 d Medium for radio and television broadcasting (7)
  21. 15 d Puss In Boots, for example (abbr) (5)
  22. 17 d Supernatural being, the object of worship (5)
  23. 18 d Scandinavian capital, called Christiania until 1925 (4)

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