A chocolate heist

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Across
  1. 4. the continent where Poland is
  2. 7. spring holiday
  3. 9. to disappear suddenly
  4. 12. a sweet food made from cocoa
  5. 13. the act of stealing
  6. 15. not enough of something
  7. 16. a process of finding facts
  8. 18. something unknown
Down
  1. 1. a big, planned theft
  2. 2. a ...... of chocolate
  3. 3. to move goods from place to place
  4. 5. people who pursue enforce law
  5. 6. a place where goods are sold
  6. 8. a small sign or mark that helps you to find something
  7. 10. a service of bringing goods somewhere
  8. 11. an amount people want
  9. 12. a special identification mark e.d. Morse
  10. 14. goods stored for sale
  11. 17. a large vehicle for transporting goods
  12. 19. an amount available