{"product_id":"absolutely-nasty-sudoku-level-4-1","title":"Absolutely Nasty® Sudoku Level 4","description":"Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)","brand":"Union Square \u0026 Co.","offers":[{"title":"Default Title","offer_id":54233231098200,"sku":"9781402743993","price":15.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/1295\/4195\/files\/9781402743993.jpg?v=1777227321","url":"https:\/\/agendabookshop.com\/products\/absolutely-nasty-sudoku-level-4-1","provider":"Agenda Bookshop","version":"1.0","type":"link"}