This classic puzzle is over 100 years old. It is pretty easy to order the tiles if the number of moves is unlimited.
However, trying to minimize the number of moves makes it surprisingly challenging. If you have an old version - please don't forget to upgrade! New version features the tiles of 5 different scripts:
Regular, Chinese, Arabic, Thai and Cyrillic -
a fun and easy way to memorize the foreign digits! Get it free! No registration required!