250 Hoshi Sudoku Puzzles: Hard Sudoku Hoshi Puzzles (Paperback) (ISBN-13: 9781726471183)

Hoshi consists of six large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle. Every line (of any length, even uncontinous) contains every digit not more than once.

Author: Mindful Puzzle Books
ISBN-10: 1726471187
ISBN-13: 9781726471183
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 09/03/2018
Pages: 146
Format: Paperback
Weight: 0.45lbs
Size: 9.00h x 6.00w x 0.31d