What do I do with these strange markings


Hint 1 of 7:
Pay attention to their color.

Hint 2 of 7:
Look for something that you might have in that color.

Hint 3 of 7:
The yellow crayon is what you need.

Hint 4 of 7:
If you read the Inquisitor, you may be able to find something.

Hint 5 of 7:
On page 5, read the "Tic-Tac-Toe" article.

Hint 6 of 7:
It says if you draw something, you may be able to open a wall.

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