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Synopsis
In this book, you'll explore ultra-extreme Sudoku puzzles and learn advanced puzzle-solving techniques, focusing on sophisticated chaining strategies. Beginning with the fundamentals, key concepts such as chaining sequences, intersections, links, nodes, and notations are covered. The content then delves into advanced topics like X-Nodes and DFS and BFS algorithms. The book includes step-by-step demonstrations for solving three ultra-extreme puzzles of escalating difficulty, with SE Ratings of 8.8, 9, and 11.9, using methods such as Single Assumption AICs, Three Assumption AICs, and Forcing Nets. It also provides guidance on how to solve puzzles using the Brute Force technique and handling puzzles with multiple solutions.
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