This exercise was difficult for me. I'm used to using reference while working. I probably did 15 different versions of Alison. The top drawing I thought was successful until I looked at a photo of her for comparison. Once I saw her I had to start over and make the second version. For the second version I made a sketch, used tracing paper to trace it and drew different noses and mouths until something began to work. I think I cheated.
Time to start on the next exercise.