KANSAS CITY, MO.- For the first time in more than 30 years, all three panels of a remarkable water lily triptych by the preeminent Impressionist Claude Monet will be on view together, from April 9 to Aug. 7, at The Nelson-Atkins Museum of Art. The exhibition reunites the right-hand panel, from the Nelson-Atkins collection, with panels owned by the Saint Louis Art Museum and the Cleveland Museum of Art. The three were last exhibited together in 1979. With the exception of a triptych in New Yorks Museum of Modern Art, this is the only Monet triptych in the United States. What this show does is it puts our Monet in context, said Ian Kennedy, Louis L. and Adelaide C. Ward Curator, European Painting and Sculpture at the Nelson-Atkins. This will be a much more intimate experience of his work than what you normally get in museums. Its a very focused experience of Monet, without distractions, and yo