{"product_id":"killer-sudoku-200-hard-to-master-puzzles-12x12-vol18-9781082128127","title":"Killer Sudoku - 200 Hard to Master Puzzles 12x12 vol.18","description":"Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The objective is to fill the grid with numbers from 1 to 12 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.\u003cbr\u003e","brand":"Independently Published","offers":[{"title":"Default Title","offer_id":52179988513042,"sku":"9781082128127","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_eb0f7864-ee1d-4082-a085-f319efb262e8.jpg?v=1775642626","url":"https:\/\/surprise-castle.myshopify.com\/products\/killer-sudoku-200-hard-to-master-puzzles-12x12-vol18-9781082128127","provider":"Surprise Castle","version":"1.0","type":"link"}