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Sudoku (/ s uː ˈ d oʊ k uː,-ˈ d ɒ k-, s ə-/; Japanese: 数独, romanized: sūdoku, lit. 'digit-single'; originally called Number Place) [1] is a logic-based, [2] [3] combinatorial [4] number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 ...
The World Sudoku Championship (WSC) is an annual international puzzle competition organised by a member of the World Puzzle Federation. The first event was held in Lucca in 2006. National teams are determined by local affiliates of the World Puzzle Federation. The competition typically consists of 100 or more puzzles solved by all competitors ...
Taking Sudoku Seriously. Taking Sudoku Seriously: The math behind the world's most popular pencil puzzle is a book on the mathematics of Sudoku. It was written by Jason Rosenhouse and Laura Taalman, and published in 2011 by the Oxford University Press. The Basic Library List Committee of the Mathematical Association of America has suggested its ...
Sudoku is a simple, addictive game of logic that will leave you begging for mercy! Solve the mystery of the number grid with reasoning and patience (no math required). There is only one rule:
Today's game is Sudoku Mega. Sudoku Mega takes the classic elements of sudoku and adds letters to your sudoku squares. Sudoku Mega has it all -- score tracking, timers, your all time best and more ...
A Sudoku whose regions are not (necessarily) square or rectangular is known as a Jigsaw Sudoku. In particular, an N × N square where N is prime can only be tiled with irregular N -ominoes . For small values of N the number of ways to tile the square (excluding symmetries) has been computed (sequence A172477 in the OEIS ). [ 10 ]
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Alma mater. University of Illinois (1926) Occupation. Architect. Projects. Sudoku. Howard Garns (March 2, 1905 – October 6, 1989) was an American architect who gained fame only after his death as the creator of Number Place, the number puzzle that became a worldwide phenomenon under the name Sudoku. [ 1]