Riddle of the Sphinx Hints

What is the code for Gatenbrink's door?

  • 1 of 3: Add together the last four digits of Gil's campus ID number and the scaffolding construction date.
  • 2 of 3: Add together 1334 and 0217.
  • 3 of 3: The code for Gatenbrink's door is 1551.