{"product_id":"calcudoku-200-hard-to-master-puzzles-9x9-volume-5-paperback","title":"Calcudoku - 200 Hard to Master Puzzles 9x9 (Volume 5) - Paperback","description":"\u003cdiv\u003e\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/reportcopyrightinfringement.com\/\" target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eReport copyright infringement\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003eby \u003cb\u003eK. Ken\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAbout Book\u003c\/b\u003e\u003cbr\u003eWant to exercise your brainpower and have fun at the same time? Then this book is for you.\u003cbr\u003eThis book introduces you to the amazing world of Calcudoku puzzles. It will help you understand the rules of this puzzle. This book is perfect for players of all skill levels and ages.\u003cbr\u003eYou will find \u003cb\u003e200\u003c\/b\u003e exciting puzzles, both for beginners and for professionals. \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cb\u003eHOW TO PLAY\u003c\/b\u003e\u003cbr\u003eThe objective is to fill the grid in with the digits 1 through 9 (where 9 is the number of rows or columns in the grid) such that: \u003cp\u003e\u003c\/p\u003e\u003cli\u003eEach column contains exactly one of each digit.\u003cbr\u003e\n\u003c\/li\u003e\u003cli\u003eEach bold-outlined group of cells (block) contains digits which achieve the specified result using the specified mathematical operation: addition (+), subtraction (-), multiplication (?), and division (?).\u003cbr\u003e\n\u003c\/li\u003e\u003cli\u003eNo single number can repeat in any row or column. \u003cp\u003e\u003c\/p\u003eAs Calcudoku belongs to the same class of puzzles as Sudoku the puzzle can demonstrate a wide spectrum of relative difficulty. The grade is determined by a combination of opportunities to solve at each stage and the difficulty of the strategy that grants each solution. Puzzles almost like Killer Sudoku, but unlike Killer Sudoku, digits may repeat within a block.\n            \u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 54\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.11 x 9.02 x 5.98 IN\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e December 30, 2017\u003c\/div\u003e\n            \u003c\/li\u003e","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":52591510552883,"sku":"9781982074166","price":16.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/5595\/6612\/files\/VlhpcUdTZDh5TGJwUzdSeDRMNVBtQT09.webp?v=1761659842","url":"https:\/\/www.vysn.com\/products\/calcudoku-200-hard-to-master-puzzles-9x9-volume-5-paperback","provider":"VYSN","version":"1.0","type":"link"}