A hand-drawn diagram on a white background, featuring a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a "ONE BOX KEY" and a "ONE BOX" with a