Volume 1 of 50 Challenging Sudoku Variations contains brainteasing puzzles for Beginners, Advanced players and Professionals.
Challenging Sudoku Variations contain one or more extra groups of coherent cells, equal to the grid size of the puzzle, that also have to contain the different digits or letters (WordDokus) exactly once. This edition also holds a number of Educational Sudoku Variations. These are standard Sudokus containing one or more extra groups of coherent cells in which groups the number of cells can deviate from the grid size. These groups possess special properties, requiring other types of logic to find the unique solution of the Educational Sudoku Variation, in combination with the solving logics of a standard Sudoku.
As an indication for the difficulty level at most of the 9 by 9 Dokus the number of different solutions without the extra groups of coherent cells with special properties is given.
Educational Sudoku Variations in Volume 1: CalculoDoku, EvenOddDoku, JigSawPiecesDoku, PalindromeDoku, SeriesDoku, SixGroupsDoku and SpiraloDoku.
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Cover in color. All puzzles of the E-book are in black and white (A4) and are easily to print.
Price Paperback € 8.95, incl. VAT; 76 pages
Price E-book: € 7.95, incl. VAT; 76 pages
For the price of $ 8.95, excluding shipping costs, you can order this paperback version at Amazon.com: https://amzn.to/2jCFkjt
You cannot order the paperback in the SHOP.
This edition is also available in Dutch. Click here for the paperback and the E-book.
Overige E-boeken met niet-interactief oplosbare uitdagende Sudoku variaties zijn:
* 01 EBCDNL en 01 EBESVNL bevatten een mogelijke stap-voor-stap aanpak om de unieke oplossing van de Sudoku logisch af te leiden.