{"product_id":"16x16-diagonal-sudoku-x-hard-mega-sudoku-x-puzzles-9798646509674","title":"16x16 Diagonal Sudoku X: Hard Mega-Sudoku X Puzzles","description":"\u003cp\u003e\u003cstrong\u003eChallenge your brain, have a fun time, and fight the boredom with the mega Diagonal Sudoku challenging puzzles.\u003c\/strong\u003e\u003cbr\u003eThis Sudoku activity book includes 120 puzzles of 16x16 Sudoku X from Hard to Extreme with instructions, examples, and solutions. Plus Bonus Puzzles of a different type of Sudoku at the end of the book. \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cstrong\u003eWhat is 16 x16 Diagonal Sudoku X puzzle?\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e16 x16 Diagonal Sudoku X has 16x16 squares.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e Each row, column, Diagonal cells, and block (surrounded by bold lines) should contain all numbers from 1 to 16 \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo number is repeated in any row or column or block or in a diagonal line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy will you love this book? \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eScientific research has shown that solving logic puzzles as Sudoku keeps your mind sharp, improves memory, and enhances problem-solving skills. \u003c\/li\u003e\n\u003cli\u003e16x16 Diagonal Sudoku X book has four challenging levels, from Hard to extremely hard. \u003c\/li\u003e\n\u003cli\u003eOne Puzzle per page in a large font makes it easy to read and will not strain the eyes.\u003c\/li\u003e\n\u003cli\u003eWide margins for your calculations and work to solve the puzzles.\u003c\/li\u003e\n\u003cli\u003ePlus the solutions to all the puzzles included at the end of the book.\u003c\/li\u003e\n\u003cli\u003eBONUS Puzzles: 6 Diagonal Samurai Sudoku Puzzles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 8.5x11 inches (large size) with softcover and paperback binding. \u003c\/li\u003e\n\u003cli\u003ePages: 155 pages with 120+ different puzzles and the solutions of all the puzzles at the end. \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eImagine the fun and challenging hours you'll spend solving these challenging puzzles  \u003cp\u003e\u003c\/p\u003eScroll up and order your copy. \u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Independently Published","offers":[{"title":"Default Title","offer_id":50494575804690,"sku":"9798646509674","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_2ef0e38b-4f8a-45b0-935f-d39bc577760a.jpg?v=1730667334","url":"https:\/\/surprise-castle.myshopify.com\/products\/16x16-diagonal-sudoku-x-hard-mega-sudoku-x-puzzles-9798646509674","provider":"Surprise Castle","version":"1.0","type":"link"}