400 Hoshi Sudoku Puzzles: Very Hard Sudoku Hoshi Puzzles

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 Mindful Puzzle Books
• | Publisher: CreateSpace Independent Publishing Platform
• | Publication Date: Sep 04, 2018
• | Number of Pages: 230 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 172704486X
• | ISBN-13: 9781727044867