Sudoku Collection: 200 Hard Tridoku Sudoku Puzzles

By Alena Gurin

200 excellent puzzles for Advanced Players at the level of Hard. All riddles have only 1 solution. 2 puzzles per page.The font size is correct, you will not have to strain your eyes when solving puzzles.High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through). Tridoku 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.

• Format: Paperback
• Language: English
• ISBN: B08NRCMPZQ
• ISBN13: 9798566344720
• Release Date: November 2020
• Publisher: Independently Published
• Length: 122 Pages
• Weight: 0.38 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"