It’s 1am n im bored out my head

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Across
  1. 4. foreign cheese (10)
  2. 6. single cell organism (6)
  3. 9. leg joint (4)
  4. 10. narrow crack (7)
  5. 12. sneakily(2,3,3)
  6. 13. abundant (5)
  7. 14. rigid (5)
  8. 15. honesty (9)
  9. 19. mother of pearl (5)
  10. 20. DNA agent (4)
  11. 22. make publicly known (8)
Down
  1. 1. ruler with total power (8)
  2. 2. young child (7)
  3. 3. Chocolate bar (6)
  4. 5. rectangular (6)
  5. 7. Question to a woman (14)
  6. 8. quick in movement (5)
  7. 11. vote in (5)
  8. 16. Man's best friend (3)
  9. 17. marsupial (8)
  10. 18. Doughnut filling (3)
  11. 21. cleansing agent (9)