Are there patterns in Sudoku?

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  1. #excerpt
  2. #middle
  3. #cells
  4. #missing
  5. #numbers
  6. #given
  7. #occupied
  8. #using
  9. #number
  10. #irrelevant
  11. #three
  12. #sudoku
  13. #since
  14. #which
  15. #technique
  16. #described
  17. #understanding
  18. #there