{"product_id":"binary-puzzles-200-hard-david-smith-9781091739321","title":"Binary Puzzles - 200 Hard Puzzles 13x13 Vol.19","description":"Binary (also known as \"Binairo Puzzle,\" \"Takuzu,\" \"Tohu wa Vohu\") is played on a rectangular or square grid. The goal is to fill in the grid with digits \"0\" and \"1\" according to the following rules: Each box should contain a zero or a one.No more than two similar numbers next to or below each other are allowed.Each row and each column should contain an equal number of zeros and ones (or one more for odd sized grids).Each row is unique, and each column is unique.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e David Smith\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1091739323\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781091739321\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 03\/27\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 118\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.37lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.25d","brand":"David Smith","offers":[{"title":"Paperback","offer_id":46825755738367,"sku":"9781091739321","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_c2d4166d-e73e-4367-9291-1bfb0bf46142.jpg?v=1746073535","url":"https:\/\/www.whiterainbookhouse.com\/products\/binary-puzzles-200-hard-david-smith-9781091739321","provider":"WR Book House","version":"1.0","type":"link"}