Tessa wasn't send up to the maze regularly. The box was sent up 3 days earlier than it normally come up. She was put in the maze for the boys to find. Minho is the one to do so. They bring her to the glade. She is the youngest amongst all the boys in the glade and the only girl. when the new greenie arrives Tessa fells a connection with him. As if she knew him. Tessa comes to find she isn't ordinary. She has powers. [Thomas X little sister]