Magenta, he typed.

The answers weren't words or shapes. They were memories.

"The logic is simple," the Doctor’s digital voice resonated. "To truly sharpen the mind, one must bypass the barriers of the physical cartridge."

: Most training requires holding the console vertically like a book, using a stylus or your finger for input.

Solve simple math problems by holding up the correct number of fingers in front of the camera. Finger Drills: