{"product_id":"9781454950653","title":"Black Belt Sudoku Variants : 300 Puzzles","description":"\u003cp\u003eThe Martial Arts Puzzle Series is ranked by different color belts. The Black Belt volume contains super-hard puzzles, and features sudoku variations such as overlapping grids, irregular regions, \"killer\" sudoku, diagonals, and more.\u003c\/p\u003e","brand":"Puzzlewright Press","offers":[{"title":"Default Title","offer_id":48388803461355,"sku":"EB_HC0100_K07-02_SIMS","price":20.38,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9781454950653-1.jpg?v=1781915880","url":"https:\/\/kinokuniya.com.sg\/zh\/products\/9781454950653","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}