Problem 1 (Extra Problem for Chapter 9)
Redraw and work out the details given in Figures 13.5 and 13.6 in the handout assuming that code words used for stations 1, 2, 4 are (1, -1, -1, 1, -1, 1), (1, 1, -1, -1, 1, 1), (1, 1, -1, 1, 1, -1), respectively, and delete station 3 from the figures.