Three Sets of Twelve is a mural in three parts, one long section above the next. The sections are installed on a slightly curved wall that goes up three floors across from an elevator in the lobby of the new federal courthouse. The first level shows twelve people, each seated in the chair necessary for his or her job. The second level shows a chair used by the jury at the new courthouse, painted in twelve different orientations. The third level depicts the same twelve people seated as a jury observing the viewer with a single gaze.