Click a shape that looks like the triangle roof of a house on top, but the bottom edge is very jagged.  Do not touch anything else Keep that piece, but now click something that looks like a pyramid on top.  The bottom edge is jagged, with multiple triangle points.  Do not touch anything else
page6-99.png page4-215.png page1-73.png page6-92.png page7-87.png
page9-34.png page2-190.png page7-88.png page6-99.png page1-73.png page6-92.png page4-240.png page4-20.png page4-215.png page7-87.png
page4-215.png
That is wrong.  De-select it and do not touch anything else