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The puzzle known as "Al Escargot" (the snail) is currently considered the hardest Sudoku puzzle. It was created by a Finnish mathematician called Arto Inkala.
One of the hardest Sudoku books available is "Extreme Sudoku" by Antoine Alary, not to be confused with "X-TREME Sudoku" by Nikoli & Co. or "Sudoku Xtreme" by Christopher Monckton, which are both an order of magnitude easier.
What else can I help you with?
What is the highest number used in a sudoku puzzle?
8
What is the Japanese name for grid based number placement puzzle?
Sudoku
Sudoku is a type of what?
Its basically a math puzzle, so a type of puzzle.
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
How can I get TV guide's sudoku puzzles?
One could visit SudokuProfessor or SudokuDragon to find strategies on how to complete a Sudoku Puzzle. Also, if one happens to have a Sudoku Puzzle Book, at the front page is usually a guide to how to complete a Sudoku puzzle. Once you know how to, they are really fun and good for keeping the mind active.
When was the sudoku puzzle created?
They were first published in 1979 by Dell Magazines, known as Number Place (the earliest known examples of modern Sudoku), probably contributed by Howard Garns. They were introduced to Japan in 1984 and eventually became known there as "sudoku".
What is a puzzle using letters for numbers called?
Sudoku
What is the answers to the sudoku puzzle NO33939?
You need more information.
What is solution to Sunday telegraph sudoku 1985?
It depends on the puzzle.
What is better a sudoku puzzle or a crossword puzzle?
a Sudoku puzzle is a test of logic while a crossword puzzle is a test of how like a thesaurus you are or a test of general knowledge. which one if better is a matter of opinion, but i suppose one might stimulate the brain than the other, if that is what you mean by better.
Play sudoku from the newspaper How did logic help you solve the puzzle?
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How do you beat pundis puzzle in bonus set 4?
Its literally sudoku
