{"product_id":"way-beyond-black-belt-sudoku-r-by-frank-longo-9781454933571","title":"Way Beyond Black Belt Sudoku (R)","description":"\u003cdiv class=\"book-description\"\u003e\n\u003cp\u003eGo way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, this collection packs even more of a punch than our previous \u003cem\u003eBeyond Black Belt Sudoku\u003c\/em\u003e.\u003c\/p\u003e\n\n\u003cp\u003eGet ready, because you'll encounter common advanced techniques with curious-sounding names like XYZ-Wing, Finned X-Wing, Sashimi X-Wing, Swordfish, Jellyfish, Gordonian Rectangle, and Gordonian Polygon. You might find some tricky new things here, too, from Grouped X-Cycle and Simple Grid Coloring to 3D Medusa and Bi-Value Universal Grave.\u003c\/p\u003e\n\n\u003cp\u003eThe sudoku generally become increasingly difficult as the book goes along, from \"pretty darn hard\" to \"excruciating.\" Are you up for the challenge?\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hachette Aotearoa New Zealand","offers":[{"title":"Default Title","offer_id":47647750783212,"sku":"9781454933571","price":24.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7784\/8556\/files\/ca1fe31ed5e010e52d845dca2bac9015.jpg?v=1779234150","url":"https:\/\/bookhero.co.nz\/products\/way-beyond-black-belt-sudoku-r-by-frank-longo-9781454933571","provider":"Book Hero","version":"1.0","type":"link"}