Figure 2

page 1   13  326  939  ...
        643  956  569  ...
        273  586  199  ...
        ...  ...  ...
        ...  ...  ...

page 2  313  626  239  ...
        943  256  869  ...
        573  886  499  ...
        ...  ...  ...
        ...  ...  ...

page 3  613  926  539  ...
        243  556  169  ...
        873  186  799  ...
        ...  ...  ...
        ...  ...  ...

  ...   ...  ...  ...  ...
        ...  ...  ...  ...

Figure 2 shows the upper right corner for the
first 3 pages of the out put from the random
number generator

#define RAND( seed ) = ( ( seed * 101 ) + 13 ) % 1000

Notice the patterns between the columns and
pages.