Sudoku Kropki - 200 Logic Puzzles 6x6 (Volume 1) (Paperback) (ISBN-13: 9781543248609)

Kropki Sudoku (the Polish word "kropki" means "dots"; also known as "Dots 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: Dart Veider
ISBN-10: 1543248608
ISBN-13: 9781543248609
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 02/21/2017
Pages: 138
Format: Paperback
Weight: 0.43lbs
Size: 9.02h x 5.98w x 0.30d