Treasure Box Quest - Clues

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Across
  1. 4. : Dirk can illuminate us
  2. 6. : A _______ cipher
  3. 9. : Corners
  4. 11. : gramana
  5. 13. : Pay to upgrade?
  6. 14. : A for Adenine
  7. 15. : Sugar ____ fairy
  8. 16. : Fun with GPS and ___
  9. 17. : Log __ for pun
Down
  1. 1. : best in daylight
  2. 2. : No better support
  3. 3. : Where ends with ____
  4. 4. : box
  5. 5. : Knows the keyword
  6. 7. : Easy Peasy _____ Sweezy is wrong
  7. 8. : Keyword for the ___
  8. 10. : Pyrimidine cytosine's purine
  9. 12. : Great month for the botanical garden
  10. 15. : Where starts with a base ____