C Deselect that and select other C Deslect that and select block Diamond
page5-57.png page3-50.png page5-31.png page1-128.png
page3-50.png page5-198.png page7-8.png page1-9.png page5-31.png page1-128.png page1-109.png page9-13.png page5-57.png page2-164.png
page3-50.png
Select that and select square