{ "item_title" : "Triangular Sudoku", "item_author" : [" Dj Ape "], "item_description" : "Experience the Original: 150 TriDoku Puzzles in a Triangular GridRefresh your passion for logic with the first-ever collection of TriDoku. If you are tired of standard 3x3 grids, this book introduces a revolutionary triangular architecture that will sharpen your existing skills and force you to learn entirely new solving techniques. Each puzzle is played on a massive triangular grid where nonets are triangles rather than squares, creating a sophisticated mental workout.The Unique Rules of TriDokuTriDoku abandons traditional rows and columns in favor of geometric complexity. To solve these grids, you must master several unique constraints:Triangular Nonets: Each of the nine large triangles (drawn with thick lines) must contain all numbers from 1 to 9.Outer and Inner Edges: The three sides of the large big triangle and the three sides of the inner triangle must each contain the digits 1 to 9 without repeats.The Touching Rule: No two cells that touch-even by a single angle-can contain the same number. A single cell can touch up to 12 adjacent cells, allowing for rapid elimination of candidates.The Hexagon Rule: Any six cells forming a hexagon must contain unique digits, providing a powerful secondary deductive tool.Professional Challenge & VarietyThis landmark first edition features 150 puzzles that escalate in complexity, including two elite variants for the advanced solver:10 TriDoku Star (TriDoku X): Features three additional lines where numbers cannot repeat, similar to Diagonal Sudoku.10 Killer TriDoku: The ultimate beast of the collection, replacing clues with cages and sums for a deeply satisfying arithmetic challenge.Expertly Crafted by DjapeAs a renowned contributor to The Washington Post, Djape delivers professional-grade logic engineering that ensures every puzzle has a single unique solution reachable without guessing. Printed on high-quality paper in a large 8.5 x 11 format, this collection is the gold standard for anyone seeking a refreshing and mathematically rigorous alternative to classic Sudoku.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/43/825/606/143825606X_b.jpg", "price_data" : { "retail_price" : "9.99", "online_price" : "9.99", "our_price" : "9.99", "club_price" : "9.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

Overview

Customers Also Bought

Details