better test; need unique digits to make the damn thing work
work out average turns
still takes too many turns because of random possibilities
adjust expectations
early morning practice
first failing test
simplest possibly pass
failing test
autoformat
can find a single cow
failing number of bulls
passing test, time to refactor
refactor tests
inline variable
failing test; first guess should be four different characters
make that test pass naively
failing test for updating based on a score
better failing test
a really noddy way to make the test pass
refactor to member variable