{"product_id":"2940014026406","title":"Sudoku Puzzle Secrets","description":"TABLE OF CONTENTS\u003cbr\u003eINTRODUCTION ………………………………………….. 03\u003cbr\u003eCHAPTER 1: HISTORY OF SUDOKU ………………… 05\u003cbr\u003eCHAPTER 2: SUDOKU EXPLAINED …………………. 08\u003cbr\u003eCHAPTER 3: THE MATH BEHIND SUDOKU ……….. 14\u003cbr\u003eCHAPTER 4: CONSTRUCTION OF THE PUZZLE ….. 18\u003cbr\u003eCHAPTER 5: SOLUTION METHODS–SCANNING ... 20\u003cbr\u003eCHAPTER 6: BEGINNING THE CHALLENGE ………. 24\u003cbr\u003eCHAPTER 7: CHANGE OF STRATEGY …………………31\u003cbr\u003eCHAPTER 8: ELIMINATE THE EXTRANEOUS ……… 37\u003cbr\u003eCHAPTER 9: WHEN EVERYTHING ELSE FAILS …... 44\u003cbr\u003eCHAPTER 10: SOLVING A DIABOLICAL PUZZLE … 47\u003cbr\u003eCHAPTER 11: SAMPLE SUDOKU PUZZLES ………….52\u003cbr\u003eCHAPTER 12: SOLUTIONS ……………………………… 58\u003cbr\u003eCONCLUSION ………………………………………………. 63\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eIt seems that these days everyone is enjoying the game\u003cbr\u003eof Sudoko wherever they are. The Sudoku puzzle is ideal\u003cbr\u003efor whenever you have a few spare minutes and want to\u003cbr\u003eindulge in a little bit of thinking power. Sudoku,\u003cbr\u003esometimes spelled “Su Doku”, is a puzzle that originated\u003cbr\u003ein Japan. The puzzle is known as a “placement” puzzle.\u003cbr\u003eIn the United States Sudoku is sometimes called the\u003cbr\u003e“Number Place” puzzle.\u003cbr\u003ePeople of all ages and from all backgrounds are finding\u003cbr\u003ethat Sudoku is a great way to keep their mind active and\u003cbr\u003ethinking. Puzzles range all the way from easy for the\u003cbr\u003ebeginner to extremely difficult for the more advanced\u003cbr\u003epuzzler. Sudoku is easy to take with you wherever you\u003cbr\u003ego so that you can indulge in a little bit of number\u003cbr\u003eguessing whenever you have a few spare minutes.\u003cbr\u003eSudoku is easy to learn and understand. The main aim of\u003cbr\u003eSudoku is to enter a number from one to nine into each\u003cbr\u003ecell on puzzle grid. The most frequent layout of a Sudoku\u003cbr\u003epuzzle is a 9 x 9 grid that is made of subgrids that are 3 x\u003cbr\u003e3. Each of these subgrids is known as a “region”.\u003cbr\u003eDepending on how easy or hard the puzzle is there will be\u003cbr\u003evarious starting numbers in the cells. These are known as\u003cbr\u003e3\u003cbr\u003ethe “givens”. Every row, column, and region of the\u003cbr\u003eSudoku puzzle can contain only one instance of each\u003cbr\u003enumber. You complete the puzzle when all of the cells\u003cbr\u003ehave been filled in with corresponding numbers.\u003cbr\u003eTo complete the Sudoku puzzle requires a lot of patience\u003cbr\u003eas well as the ability to think logically. The basic layout of\u003cbr\u003ethe Sudoku grid is much like a chess game or crossword\u003cbr\u003epuzzles. Sudoku is not just a mathematical or arithmetic\u003cbr\u003etype of puzzle. It works just as well if the numbers are\u003cbr\u003esubstituted with letters or other symbols. However,\u003cbr\u003enumbers work best.\u003cbr\u003eThe bottom line is that Sudoku is a fascinating new puzzle\u003cbr\u003egame that has taken the world by surprise and storm.\u003cbr\u003eYou can now find Sudoku in many national newspapers.\u003cbr\u003eThe great thing about this puzzle is that the basic\u003cbr\u003eprinciple of solving it is really quite simple. All you need\u003cbr\u003eto do is fill in the grid in such a way that each row,\u003cbr\u003ecolumn, and region contains the numbers one to nine.\u003cbr\u003e4\u003cbr\u003eCHAPTER I: HISTORY OF SUDUKO\u003cbr\u003eYou would imagine that with such a name this puzzle\u003cbr\u003eoriginated in Japan, but it has been around for many\u003cbr\u003eyears in the United States and in the UK. However, the\u003cbr\u003eJapanese found an example under the title “Number\u003cbr\u003ePlace’ in an American magazine and translated it as\u003cbr\u003esomething quite different: su meaning number and doku\u003cbr\u003emeaning single unit. It immediately caught on in Japan\u003cbr\u003ewhere number puzzles were much more prevalent than\u003cbr\u003eword puzzles. Crosswords don’t work very well in the\u003cbr\u003eJapanese language.\u003cbr\u003eSukoku was first published in the late 1970’s in North\u003cbr\u003eAmerica in New York by the publisher “Dell Magazines”.\u003cbr\u003eDell was known as a specialist when it game to puzzles of\u003cbr\u003elogic and ability. Dell published Sudoku as “Number\u003cbr\u003ePlace” in its Math Puzzles and Logic Problems magazine.\u003cbr\u003eIt has not been recorded who designed the Americanized\u003cbr\u003epuzzle but suspicion falls on Walter Mackey who was one\u003cbr\u003eof Dell’s constructors of puzzles. In Japan, Sudoku was\u003cbr\u003efirst introduced by Nikoli in 1984. The puzzle appeared in\u003cbr\u003ethe Monthly Nikolist in April as “Suuji wa dokushin ni\u003cbr\u003ekagiru”. This can be translated to “the numbers must be\u003cbr\u003ethere in only on instance”.","brand":"Laiftllc.com","offers":[{"title":"Default Title","offer_id":47158204334320,"sku":"2940014026406","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940014026406_p0.jpg?v=1763599177","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940014026406","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}