Gold Sudoku - Champion Level - Very Hard - Vol. 20
Subtitle: 50 Killer Anti-Diagonal Anti-Knight + 50 Boom Flight X Diagonal + 50 Skyscraper X Diagonal - Central Points + 50 Not Five Not Ten - Central Points + 50 Onefiguredoku X Diagonal. This Is Excellent Sudoku for You
Publisher: CreateSpace Independent Publishing Platform
Published: 2018
Language: eng
Number of pages: 150
ISBN-13: 9781719244145