{"product_id":"killer-x-sudoku-sudoku-mania-9781704690247","title":"Killer X Sudoku: 200 Hard 9x9 Killer Diagonal Sudoku","description":"The objective is to fill the grid with numbers from 1 to 9 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 9 cells.)In 'Killer X', an additional rule is that each of the long diagonals contains each number once\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Sudoku Mania\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1704690242\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781704690247\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/02\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 122\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.38lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.26d","brand":"Sudoku Mania","offers":[{"title":"Paperback","offer_id":44126339236095,"sku":"9781704690247","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_eac6fbf0-1d89-4d33-8490-2ddbfa8f9cb0.jpg?v=1687447618","url":"https:\/\/www.whiterainbookhouse.com\/products\/killer-x-sudoku-sudoku-mania-9781704690247","provider":"WR Book House","version":"1.0","type":"link"}