Filling algorithm, the card game was developed in collaboration with Technical Committee members from the Olympic Committee and Tokyo mathematics mathematics, "algorithm" based on a twist on puzzle game for one person.Acquire the analytical power per memory concentration as they play, attaches to acquire the ability to think logically. 0 - black and white card uses a total of 24 to 11.Deduce the number of cards face down to the tip of the card number was open. 144 questions are available in all four types of problem difficulty. ? The Olympic Games and Math,Mr. Chairman wide Nakahira Yuu Fields Medal winner, is a prestigious mathematics competition in the world who serve as the executive director Pitafurankuru.