Extreme Sudoku: 100 Hard To Solve 25 x 25 Sudoku Puzzles With Solutions Book 1

ISBN-13: 9781974213696 / Angielski / Miękka / 2017 / 132 str.

Alexander Ross

Opis

100 very hard Sudoku puzzles. One puzzle on a page Using a 25 x 25 square grid. These puzzles are for expert Sudoku players. The solutions are in the back of the book.