Select the image that has the most symmetry on both sides of it Ok, now select the other image that has symmetry on both sides of it
page5-179.png page1-109.png page6-202.png page-A.png page4-212.png
page1-109.png page7-111.png page5-247.png page-A.png page4-212.png page5-179.png page8-213.png page6-202.png page4-161.png page2-133.png
page6-202.png
no, that's wrong. Unselect that one and try another one