Sudoku, or number placement, puzzles are sweeping the country. Even though the game involves numbers, it is not mathematical. And people who feel they don’t have a good vocabulary will choose them in preference to crossword puzzles. Soduku is nothing more than logic.Howard Gams is given credit for inventing the puzzle in 1979. His puzzles never caught on in this country but became an instant success in Japan. Now it is carried by more newspapers than crossword puzzles.Soduku is a nine-by-nine cubical grid. When properly completed, each of the rows and files will contain all the numbers between 1 and 9 as will each of the 3 X 3 cubes comprising the whole. The puzzle will appear as a completed grid with certain numbers missing. When read across and down, each of the three contiguous inner cubes will have a different digit in a different position. For our purposes we can designate these rows as ranks and files. Ranks run horizontally across the puzzle and files, vertically. If, for example, the number one appears in rank 1 in cube one and rank 3 in cube 2, the third one must necessarily appear in the second rank in cube 3. This… Read full this story
- First road trip comedy promises to drive audiences crazy
- Beware, crazy tea sellers!
- Facebook gambles $40,000 on crossing the streets in Vietnam
- Five reasons why everyone should learn to code
Sudoku-The Logic Puzzle That Can Drive You Crazy have 225 words, post on ezinearticles.com at November 22, 2005. This is cached page on wBird. If you want remove this page, please contact us.