Abandon standard square grids and linear rows. Engineered specifically for solvers requiring a fundamental shift in spatial reasoning, this compendium introduces the TriDoku architecture. By replacing traditional 3x3 square nonets with interlocking triangular regions, this volume forces a complete overhaul of standard deductive scanning and candidate filtering.
Mastering Hexagonal ConstraintsTo navigate these structures, solvers must manage multiple overlapping mathematical constraints simultaneously. Every major triangular nonet must contain the digits 1 through 9. However, the intersecting lines create secondary geometric shapes that dictate placement. The most critical of these is the Hexagon Rule: any six cells that form a hexagon within the grid strictly cannot contain repeating numbers, demanding aggressive forward projection across multiple nonets.
Multi-Variant EscalationBasic triangular cross-hatching is insufficient to complete this volume. The final 20 puzzles escalate the cognitive friction by hybridizing the TriDoku framework with advanced structural anomalies:
Every grid is mathematically verified to possess strictly one unique solution through pure logic alone, prohibiting guesswork. Whether utilized as a mindful daily mental workout to maintain spatial reasoning or as a rigorous deductive challenge for an experienced adult, this collection provides the definitive defense against deductive stagnation.
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DJAPE is the author of more than 70 puzzle books and some 17 puzzle games for Amazon Kindle, ranging from Sudoku variants such as Killer Sudoku and Samurai Sudoku to Kakuro, TriDoku, Hidoku, CalcuDoku, Futoshiki and Picross/Hanjie/Griddlers/Nonograms puzzles. Also, Djape contributes regularly to newspapers and magazines across the globe, including The Washington Post. Currently Djape is working on his PhD thesis in Computer Science. Likes sailing, dancing tango, horseback riding, playing bridge and traveling.
Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.
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Paperback. Etat : new. Paperback. Is this Sudoku? Well. YES! .and NO!TriDoku puzzles have the same number ofcells as Sudoku: 81. However, there are norows or columns! Instead, there are triangles.In fact, the whole grid has gone triangular.The "nonets' are there, but instead of being3x3 squares, they've become triangles, too.Oh, and did you know that in Tridoku puzzlesthere are also lots of hexagons?However, despite all those differences, thebasic principle of Sudoku still applies: you cannot repeat a number in any of thedefined regions.It's a lot of fun and a chance to developnew problem solving skills!ENJOY! This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. N° de réf. du vendeur 9781492940203
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