4square85
This is a great puzzle which shows how our minds can be conditioned by problems that get increasingly difficult.
We'd love to know who designed this puzzle and built the PowerPoint file. If you know, please email us at info@seiyaku.com so we can give the designer full credit.
You'll enjoy this
Just click on the image below and follow the instructions.
Note: This puzzle is a PowerPoint file. If you don't have a PowerPoint reader on your PC, click here to download.
The first few slides are displayed too quickly. It's worth using pause/restart keys ('S' or '+' key on your keyboard) to advance the slides at your own pace.
We'd love to know who designed this puzzle and built the PowerPoint file. If you know, please email us at info@seiyaku.com so we can give the designer full credit.
