You might like Left Right Variation A Alan Green 1974 Four Rectangles Alan Green 1975 Black on Black Alan Green 1976 Cream over Crimson Alan Green 1976 White on Brown Alan Green 1976 1/4 Black Diagonal Alan Green 1976 1/4 Black Red Alan Green 1976 1/2 to the Right Alan Green 1976 4. White Horizontal, Black Verticals Alan Green 1977 Black Diagonal to Edge Alan Green 1975 Black over White Alan Green 1975 White over Black Alan Green 1975