Horrible Hundred

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Across
  1. 3. Not professional
  2. 6. A meal eaten at lunch
  3. 7. Sickness may be eased by this
  4. 8. Two wheeled machine
  5. 10. By yourself
  6. 11. Really good
  7. 13. Worth a lot
  8. 14. A place to dine
  9. 17. Nice
  10. 19. Displays months and days
  11. 20. A place for reading
  12. 21. After a long time
Down
  1. 1. A lack of food may cause this
  2. 2. Glossy pictures and text
  3. 4. The third day of the week
  4. 5. Information you retain
  5. 9. This may be high in Summer and low in Winter
  6. 10. Straight away
  7. 12. A place that serves food and coffee
  8. 15. Lines that run the same distance apart
  9. 16. For sure
  10. 17. Likely to happen
  11. 18. A quarter of 160