the passcode is kitkat

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Across
  1. 4. 78%
  2. 9. heat
  3. 12. 4
  4. 14. 1%
  5. 16. 1
  6. 18. 2
  7. 19. 3
Down
  1. 1. fall
  2. 2. see
  3. 3. heat
  4. 5. 5
  5. 6. heat
  6. 7. 1cell
  7. 8. cell
  8. 10. braen
  9. 11. ye
  10. 13. tissue
  11. 15. energy
  12. 17. wether