{"product_id":"9781543094671","title":"\"*\"A SUDOKU PUZZLE\"*\"600 Challenging Puzzles with Answers Vol.19 to 21\"*\": \"*\"A SUDOKU PUZZLE\"*\"600 Challenging Puzzles with Answers Vol.19 to 21\"*\"","description":"Sudoku is a number puzzle game played on a grid in order to fill the empty spaces, so that each row contain of the same numbers. For example, in a 9x9 grid, it is the aim to put the number 1 to 9 in each of vertical and horizontal lines. This place 9x9 divided into nine squares of 3x3 in nine rows and nine columns, for a total of 81 small squares. The unsolved Sudoku puzzle provides some random numbers in the squares. To solve the puzzle, the remaining places will be filled with the numbers 1 through 9 appearing just once each square on row, column and on 3x3 square. It varies in sizes starting from 2x2 until 100x100.","brand":"CreateSpace Publishing","offers":[{"title":"Default Title","offer_id":46402140537073,"sku":"9781543094671","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/5433\/7265\/files\/9781543094671_p0.jpg?v=1765368829","url":"https:\/\/shop.barnesandnoble.com\/products\/9781543094671","provider":"Barnes \u0026 Noble","version":"1.0","type":"link"}