價格：免費
檔案大小：31.6 MB
版本需求：需要 iOS 10.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Concentrate, think, and make sure that the first and the last numbers are the same. And the second the same as the one before the last to solve the numbers to be able to move to the next level.
Note that summation of numbers of the plates must equal the solving numbers.
支援平台：iPhone, iPad