Figure 1

       0  13  46  99  72  65  78  11  64  37
      30  43  76  29   2  95   8  41  94  67
      60  73   6  59  32  25  38  71  24  97
      90   3  36  89  62  55  68   1  54  27
      20  33  66  19  92  85  98  31  84  57
      50  63  96  49  22  15  28  61  14  87
      80  93  26  79  52  45  58  91  44  17
      10  23  56   9  82  75  88  21  74  47
      40  53  86  39  12   5  18  51   4  77
      70  83  16  69  42  35  48  81  34   7

Figure 1 shows the first 100 random numbers
created by the #define

#define RAND( seed ) = ( ( seed * 41 ) + 13 ) % 100

Notice the patterns in the output from this
random number generator.