You think that that is not possible? Test it… you will be astonished!

• 1. Think of a number with 2 digits (for example: 54)
• 2. Withdraw each of the 2 digits of the number thought (Example: 54 - 5 - 4 = result 45)
• 3. Seek in the list the result and keeps in memory the corresponding symbol

• 4. Concentrate very extremely on the symbol. Then, clicks on the gray square and looks at the result