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 Signal letter Q, flown to indicate ship is carrying disease (6,4)
  2. 7 a Marsupial that boxes (8)
  3. 8 a Ukrainian capital (4)
  4. 9 a System of weights for measuring precious metals and gemstones (4)
  5. 10 a Entertainment industry (7)
  6. 12 a Hot and cold sweet (5,6)
  7. 14 a Lethargy (7)
  8. 16 a Truncheon (4)
  9. 19 a Slovenly layabout (4)
  10. 20 a Youngster (8)
  11. 21 a Varied collection (10)
  12. 1 d Leavening agent (5)
  13. 2 d Long and tedious effort involved in gathering basic information (7)
  14. 3 d Gumbo (4)
  15. 4 d Small area captured and held as the basis for subsequent advance (8)
  16. 5 d Crooked (5)
  17. 6 d Eye part (6)
  18. 11 d Sea between Italy and the Balkans (8)
  19. 12 d Mess up (6)
  20. 13 d Dried pale yellow seedless grape (7)
  21. 15 d Jewish teacher (5)
  22. 17 d Athletic and muscular (non-vegetarian?) (5)
  23. 18 d Longitudinal structure supporting the frame of a vessel (4)

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