Graham's Impossible Birthday Riddle

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Across
  1. 2. Graham's favorite flat dinner
  2. 7. Younger one of cousins to visit
  3. 8. Graham last Halloween
  4. 13. 365 days apart, 9 so far
  5. 14. Prettiest woman
  6. 16. Game full of $1 bills
  7. 19. Better not be watching garbage
  8. 20. Toothbrushing companion
  9. 21. Great place to hide gifts outside when it rains
  10. 22. Graham still needs to vacuum here
  11. 24. Thing's been broken forever
  12. 26. Bavarian-style noodle dish
  13. 29. Breakfast of champions
  14. 30. Favorite book series
  15. 31. Producers of sticky yellow stuff
  16. 34. Older one of cousins to visit
  17. 35. Older one of the best twin brothers ever
  18. 36. Graham's dinner wish
  19. 39. Better than the shower
  20. 41. Where the birthday cake comes from
  21. 42. Weekend morning special
Down
  1. 1. Fluffy white cat
  2. 2. Chicken bedroom
  3. 3. Black car home
  4. 4. Three kids every Friday night
  5. 5. One lucky birthday boy
  6. 6. Boy looking for gifts
  7. 9. Best friend
  8. 10. Baby Graham for concrete mixer
  9. 11. Only person knowing location of gifts
  10. 12. Usually needs cleaned up
  11. 15. Engine=air+fuel+?
  12. 17. Faceless voice
  13. 18. Sunday morning activity for some
  14. 21. Silliest cat in the house
  15. 23. Graham concern
  16. 25. Avoidable part of the egg for some
  17. 27. Spring bunny hiding things
  18. 28. Younger one of the best twin brothers ever
  19. 32. White car engine
  20. 33. Comes once a year with needles, candles, and gifts
  21. 37. Studsy building blocks
  22. 38. Layers of eggs
  23. 40. Incomplete knot to eat