Complete
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7 14 19 1 9 12 21 2 15 3 11 20 10 4 18 16 5 8 13 6 17
  1. 1 a Showing no emotion (5-5)
  2. 7 a Hindu religious symbol appropriated by Nazis (8)
  3. 8 a Wading bird with spindly legs and long neck and bill (4)
  4. 9 a Strap used to control horses (4)
  5. 10 a Habits (7)
  6. 12 a The upper classes (4,7)
  7. 14 a Swimmer's breathing device (7)
  8. 16 a Translucent mineral used as a gemstone (4)
  9. 19 a Animal excrement (4)
  10. 20 a eg Handel's Messiah (8)
  11. 21 a City on the Neckar, home to Germany's oldest university (10)
  12. 1 d Strength (5)
  13. 2 d Smooching (7)
  14. 3 d Surprise attack (4)
  15. 4 d South-west Mexican resort (8)
  16. 5 d Decree (5)
  17. 6 d Without wavering (6)
  18. 11 d Celestial body (8)
  19. 12 d Pay homage to (6)
  20. 13 d Investigate (7)
  21. 15 d Scoundrel (5)
  22. 17 d Prone or supine? (5)
  23. 18 d Fall short (4)

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