The positions of 1, 2, 4 and 6 in the left and right diagrams remain unchanged.
5 Rotate 90 counterclockwise around the right vertex, and then translate 5 squares upward.
Rotate 90 clockwise around the straight vertex, then translate 4 squares up and 2 squares to the right.
7 Rotate 180 clockwise or counterclockwise around the right vertex, and then translate it up by 2 squares to reach the position in Figure 7 on the right.