Challenge Solution: The Vault Challenge - The vault dials need to be set so that the prime numbers run in numerical order from left to right, as indicated by the 1 and 19 printed on the door. Therefore, the outer dial needs to be set to 3-17, the middle dial needs to be set to 5-13, and the inner dial needs to be set to 7-11. This combination opens the door. --- Challenge: Maze to the Treasure Room - The maze printed on the wall in the final panel is a map of the hallways leading to the treasure room. Find a way through the maze of hallways from the arrow to the X.