Following refers to the annotated image: Imagine yourself looking from the top, then the cube shaded blue will be cube 13. We call this the origin. After that, follow the 3-D view, move 1 up shades cube 9. move 1 right gives the cube 10 move another right -> cube 11 move one up -> cube 7 another up -> cube 3 Finally, move one right -> cube 4
