In addition to the introduction of efficient methods, we most importantly screen out those puzzles with multiple solutions in the collection of practice sets for you and (e) The lectures are presented in the power point format, convenient for any interested instructors to use. Therefore, we shall not use PLC at all for our insuing lectures (d) The purpose of my lectures is for you not to waste time in playing Sudoku.
There are no extra givens that puzzle makers can maneuver to design extremely hard Sudoku. All (approximately 5000) natural Sudoku puzzles can be downloaded from Gordon Royle list (c) The minimum of 17 givens is required for a Sudoku puzzle to not having multiple solutions.
#Extreme sudoku linked series
Accordingly, I plan to give a series of lectures, each containing 1 puzzle with illustrative solution and 49 practice puzzles with annotated solutions. Ive become spoiled by programs like Hodoku which fill out all the possible candidates automatically from Six-Pack Linked Sudokus by Genomico (Tom Groot. The harder the puzzle, the more often PLC is recommended to be used (b) This is the first of many volumes of the condensed collection of my previous lecture series 0-5 for promoting the natural Sudoku (Sudoku with 17 givens). 54 medium Sudoku X 10x10 puzzles 54 hard Sudoku 10x10 X puzzles 54 extreme Sudoku 10x10 X puzzles 60 extra logic puzzles. Author(s): Hung-ping Tsao Editor(s): Lawrence K Wang (see profile) Date: 2022 Group(s): Science, Technology, Engineering, Arts and Mathematics (STEAM) Subject(s): Mathematics-Study and teaching, Sudoku, Mathematical recreations Item Type: Book Tag(s): Natural Sudoku, Extreme Sudoku, Puzzle, Row move, Column move, Block move, Terminating move, Rule of unique solution, Candidate, Flipflops chain Principle of the Least Choice Permanent URL: Abstract: (a) Extreme Sudoku puzzles are usually designed for defying our logical reasonings, so we can counter with the Principle of Least Choice (PLC) by selecting the least likely one when facing the multiple choices of our next move.
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