Draw the number 6 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. Put the pen down and draw up to (0, 80).
2. Lift the pen and move to (0, 40).
3. Put the pen down and draw to (40, 40), then down to (40, 0).
4. Draw left to (0, 0) to finish the number.