C:\Parallel\EXAMPL~2>pi
Approx 3.2000000000

C:\Parallel\EXAMPL~2>mpirun -np 20 pi.exe
Approx 3.1418009869

C:\Parallel\EXAMPL~2>mpirun -np 40 auto.exe
                    X
                   X X
                  X   X
                 X X X X
                X       X
               X X     X X
              X   X   X   X
             X X X X X X X X
            X               X
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          X   X           X   X
         X X X X         X X X X
        X       X       X       X
       X X     X X     X X     X X
      X   X   X   X   X   X   X   X
     X X X X X X X X X X X X X X X X
    X                               X
   X X                             X X
  X   X                           X   X
 X X X X                         X X X X
