Decode Sudoku Nine Ways: Vector Method Like A Pro

by Daniel Ward and Daniel Ward

DEGREE OF DIFFICULTY Tough and Very Tough 225 PUZZLES It is important to understand how to use the Small El or Medium El to solve the puzzle. If the diamond number is six, it most likely means that... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1523716134
• ISBN13: 9781523716135
• Release Date: April 2016
• Publisher: Createspace Independent Publishing Platform
• Length: 184 Pages
• Weight: 0.48 lbs.
• Dimensions: 0.4" x 5.5" x 8.5"