Astrid couldn't wait to find out what her first challenge number was. She did the calculation on her parchment.

Day of Birth = 25/7 minus Month of Birth = 7 equals 0.

Wow! Zero is the Cipher Challenge. She liked the way it sounded.
She remembered one passage in particular that stuck in her mind about this challenge. It went like this, You have full free will to and choice to form your own world as one filled with love, compassion, integrity, vision, and to do great works.
She thought that was marvelous.

"Professor Shackleton, will we be sharing our challenges in class?" She asked.