Four Squares , by stephen antonakos , 1974 , installation , Minimalism style , Line, Text, Rectangle, Symmetry, Parallel, Diagram, Pattern
A grid of squares with a red line in the middle.
 a grid of squares. Each square has a red line drawn on it. There are five plus signs on the left side of the squares. The first sign is a plus sign. The second sign is an x. The third sign is square. The square is divided into four equal squares. There is one square in the middle of the four squares.