You need to choose total 3. first one boat correct. next square second one is wrong unselect it rectangle with left side corner
page5-28.png page3-71.png page7-196.png
page5-101.png page7-209.png page3-71.png page4-47.png page6-201.png page7-196.png page1-112.png page2-4.png page5-28.png page5-84.png
page7-196.png
second one is wrong unselect it. one box with square