For convenience we first define a couple of features to seize the data we want. The scatter symbols want not be in any set order on the 3 or 5 reels. Powered by Relax Gaming, the Book of 99 slot comes with 5 reels and 10 paylines. http://mikeiken-Works.com/2019/12/05/%E6%9D%B1%E4%BA%AC%E6%9C%80%E5%A4%A7%E8%A6%8F%E6%A8%A1%E3%81%AEit%E7%B3%BB%E8%BB%A2%E8%81%B7%E3%82%A8%E3%83%BC%E3%82%B8%E3%82%A7%E3%83%B3%E3%83%88%E3%81%8C%E3%83%9E%E3%83%B3%E3%83%84%E3%83%BC/