The Fourth 'Book of Schemes'. Album #1, the Second Folder , by valerii lamakh , 1978 , abstract , Conceptual Art style , from the series Schemes
A drawing of squares and squares with a cross in the middle.
 a page of a book. There are nine images on the page. Each image has a square in it with a line going through it. There is a plus sign in the top right corner. Below that there is a square with a cross in it. Next to that there are two squares with a window in the middle. The first square has lines going through the middle of it.