Click the shape that has a flat top and a white arrow pointing up in the middle.  Do not touch anything else
page2-71.png page5-34.png page1-172.png page5-162.png
page4-74.png page5-1.png page2-124.png page8-152.png page5-162.png page5-34.png page2-71.png page1-172.png page2-85.png page5-26.png
That is wrong.  De-select it and click a shape that is flat on top, square on the bottom, and has a white arrow pointing up, in the middle.  Do not touch anything else