2.24.9

Play the turtle pond game for at least 20 minutes.  You must give yourself the following challenges:

1. Turn the obstacles on.
2. Change the angle option so you can make turns other than right-angle turns.
3. Write the whole procedure without testing it along the way.
4. * EXTRA CHALLENGE: Get the turtle to the pond in as few moves as possible!
5. * * EXTRA EXTRA CHALLENGE: Turn off the grid