{"product_id":"fun-puzzles-and-brain-teasers-sandwich-puzzles-9781726646635","title":"Fun Puzzles And Brain Teasers: Sandwich Puzzles","description":"\u003cp\u003e • Author(s): Marcus White\u003cbr\u003e • Publisher: Independently Published\u003cbr\u003e • Publisher Imprint: Independently Published\u003cbr\u003e • BISAC: Logic \u0026amp; Brain Teasers\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSandwich\u003c\/b\u003e is a logic puzzle invented by Naoki Inaba (Japan). A rectangular or square grid contains numbers in some cells. The task is to blacken some empty cells according to the rules: - All white cells must be divided on regions having the size of exactly three cells. - Two black cells must not be orthogonally adjacent. - Each region contains a number. - A number indicates how many black cells share an edge with that region.\u003c\/p\u003e","brand":"Independently Published","offers":[{"title":"Paperback","offer_id":45534339465367,"sku":"9781726646635","price":931.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9781726646635.webp?v=1767112598","url":"https:\/\/atlanticbooks.com\/products\/fun-puzzles-and-brain-teasers-sandwich-puzzles-9781726646635","provider":"Atlantic Books","version":"1.0","type":"link"}