The doors on both sides of the room unlocked; Heiji walked up to Snake and took his hand. "The songs you pick sure have a melancholy streak to 'em sometimes."

But he kind of liked that. He tugged Snake along to one of the doors on the other side of the room and opened it, revealing a long hallway with another door at the end -- probably another room.

"Wonder how far this goes in. You know, with mazes that're simply connected, you can just pick either left or right and follow the walls along until you reach your goal. That's basically what I've been doing."