To solve this puzzle, you will also need the sheet with the columns on it. If you are missing it, click here.

Do you recognize the pattern on the door?

The pattern on the door is the same pattern at the top and bottom of your sheet with the columns on it, except there are several elements that have been “forgotten”. Can you find which of these elements were forgotten/are missing?

The missing elements of the pattern are shown below.

These missing elements spell the word HONOR, which is the code to the door.