“…The three sequences of messages, shown in figures (a)(c)(e), were generated with the same seed for the random number generator but with different distributions defined by the three matrices in (1). As a result, there are seven messages with high priority that appears in the same place (black squares at positions 10, 20, 23, 51, 63, 65, 77) and there are eighteen "no service call" (white squares at positions 6,11,12,14,19,32,33,40,47,48,49,58,68,75,80,83,84,85, 90, 93 and 99) which are at the same place in (a) and (c).…”