Now, combine your code from v1 and v2 to make a grid that alternates 0s and 1s in every other space on the top and bottom 3 rows and two rows of 0s in the center, as shown below: 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 11 0 1 0 1 0 1 0 9.1.8 Checkerboard, v3 Continue reading...