• Sudoku Collection : 200 Very Hard Kropki Sudoku Puzzles 9X9
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Independently Published

Sudoku Collection : 200 Very Hard Kropki Sudoku Puzzles 9X9

Sudoku Collection : 200 Very Hard Kropki Sudoku Puzzles 9X9

ISBN-13: 9781691370535
$12.47
$12.47
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Kropki Sudoku is the variation of the original sudoku. If absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit is a half of digit in the neighboring cell, then they are separated by black dot. The dot between 1 and 2 can be either white or black..


  • • Author: Alena Gurin
  • • Publisher: Independently Published
  • • Publication Date: Sep 06, 2019
  • • Number of Pages: 122 pages
  • • Language: English
  • • Binding: Paperback
  • • ISBN-10: 1691370533
  • • ISBN-13: 9781691370535
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