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%  math495/stat490 -- 13 nov 03 -- djm
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%  w11maze.m:

P = [0 1/2 1/2 0 0 0 0 0 0 ;
     1/3 0 0 0 1/3 1/3 0 0 0;
     1/3 0 0 1/3 1/3 0 0 0 0;
     0 0 1/2 0 0 0 0 1/2 0;
     0 1/4 1/4 0 0 0 1/4 1/4 0;
     0 1/2 0 0 0 0 1/2 0 0 ;
     0 0 0 0 1/3 1/3 0 0 1/3;
     0 0 0 1/3 1/3 0 0 0 1/3;
     0 0 0 0 0 0 1/2 1/2 0]