250 Championship Gold Level Puzzles - 6 X 6 - Gold Series Sudoku
Subtitle: 50 Consecutive Anti-Knight + 50 Skyscraper Hermit + 50 Even-Odd Hermit + 50 Killer Hermit + 50 Diagonal 2 Pointsdoku. Vol. 4. Book for Your Mood
Publisher: CreateSpace Independent Publishing Platform
Published: 2018
Language: eng
Number of pages: 150
ISBN-13: 9781717006448