Introduction to Parameters and Objects - Building Java Programs: A Back to Basics Approach - page 225

The image has a gray background and many rows of black and white squares with a blue X drawn through each
black square. The two free-standing rows in the diagram have the following properties:

Table 3G.8 Cafe Wall Row Properties

Description ( x, y ) position Number of pairs Size of each box

upper-left (0, 0) 4 20

mid-left (50, 70) 5 30

The diagram has four grids of rows of squares, with 2px of vertical space between adjacent rows. A key aspect of the
optical illusion is that every other row is shifted horizontally by a particular offset. The four grids have the following
properties:

Table 3G.9 Cafe Wall Grid Properties

Description ( x, y ) position Number of pairs Size of each box 2nd row offset

lower-left (10, 150) 4 25 0

lower-middle (250, 200) 3 25 10

lower-right (425, 180) 5 20 10

upper-right (400, 20) 2 35 35