"The countdown begins now!" As soon as the beautiful woman finished speaking, the lights in the corridor went out. They then came back on again, but only for a second. The lights kept flickering on and off after that. The sudden changes around me interrupted my thoughts. I was a little distracted. My mind went blank. After two to three seconds, I began to focus. I did not want to find out what would happen after the lights flickered thirty times. I focused my attention on solving the riddle. I felt immense pressure from just thinking. Sweat trickled down my forehead. This riddle seemed simple, but the logic involved was incredibly complicated. I was practically shivering! The left elevator had the avatar of a skull; the right elevator had the avatar of a beautiful woman. There were fou

