Advent!

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Across
  1. 2. Youngest* brother
  2. 5. A tune
  3. 9. Stay warm
  4. 10. Month
  5. 14. Ballet
  6. 17. Gifts
  7. 19. Good view but bad
  8. 20. Roast 'em
Down
  1. 1. Indoor flame
  2. 3. Book of birth
  3. 4. Middle brother
  4. 6. Ex. Crocadoodle
  5. 7. Night sky
  6. 8. Breakfast bun
  7. 11. _____ Cane
  8. 12. Kissing plant
  9. 13. Walk spot
  10. 15. David's ___
  11. 16. Oldest brother
  12. 17. Salty snack
  13. 18. Who?