400 Tridoku Sudoku Puzzles: Medium to Hard Triangular Sudoku Puzzles (Paperback) (ISBN-13: 9781726459105)

The puzzle consists of nine large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle. Also, the numbers 1 through 9 must be placed in the three legs of the inner shaded triangle and in the three legs of the outer shaded triangle. No two neighboring cells may contain the same number.

Author: Mindful Puzzle Books
ISBN-10: 1726459101
ISBN-13: 9781726459105
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 09/01/2018
Pages: 232
Format: Paperback
Weight: 0.70lbs
Size: 9.00h x 6.00w x 0.49d