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Publicizing The Pillow Book in 1997, idiosyncratic filmmaker Peter Greenaway announced that his next film, The Tulse Luper Suitcases, would be eight hours long and supplemented by TV programs, DVDs, and a Web site. The director’s next movie eventually turned out to be the poorly received 8 1/2 Women, but he hasn’t significantly scaled back his latest investigation of the life of fictional alter ego Luper. The project is now conceived as “at least three feature-length films,” and today Greenaway will introduce the first of them, The Moab Story, as well as a partial version of the second, Vaux to the Sea. Luper unpacks 92 suitcases, because 92 is the atomic number of uranium, and the movies tell the story of what could be called “the uranium century.” The epic’s other prime numbers include 16 (places Luper is imprisoned) and 1,001 (stories told by Sheherazade). The countdown begins at 8 p.m. in the Hirshhorn Museum and Sculpture Garden’s Ring Auditorium, 7th Street and Independence Ave. SW. Free. (202) 357-2700. (Mark Jenkins)