The Big Book of Logic Puzzles - Kropki 400 Logic (Volume 42) (Paperback) (ISBN-13: 9781545368961)

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: Mykola Krylov
ISBN-10: 1545368961
ISBN-13: 9781545368961
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 04/14/2017
Pages: 272
Format: Paperback
Weight: 0.81lbs
Size: 9.00h x 6.00w x 0.57d