Draw the number 9 with a black pen that is 2 pixels thick. It is 40 pixels wide and 80 pixels high.

The turtle starts at the center of the canvas, facing east. This is the bottom-left corner of the number.

1. Lift the pen and move to (40, 0), the bottom-right corner.
2. Put the pen down and draw up to (40, 80).
3. Draw left to (0, 80), then down to (0, 40).
4. Draw right to (40, 40) to finish the number.