This seems a little bit like 1) Draw two circles. 2) Draw the rest of the owl. I don't see that TDD is helping 'form' the algorithm at all. The format of the

This seems a little bit like 1) Draw two circles. 2) Draw the rest of the owl. I don't see that TDD is helping 'form' the algorithm at all. The format of the input and output, sure, but the core intellectual leap seems glossed over.