Tutorial Example program data
 9                                1st geometry NLINES (m)
  2.0000   2.0000   1.0000
 -1.0000  -2.2361   0.0000
  0.0000   0.0000   0.0000                (COORCH(1,1:m))
 -1.0000   1.0000   0.0000
  0.0000   0.0000  -2.2361
 -1.0000   1.0000   2.2361                (COORCH(2,1:m))
20  1  2  0   1.0000 20  2  9  2   1.0000
20  9  5  2   1.0000 20  5  6  2   1.0000
20  6  1  2   1.0000 20  3  8  1   1.0000
20  8  4  1   1.0000 20  4  7  1   1.0000
20  7  3  1   1.0000            (LINE(:,j),RATE(j),j=1,m)
 2                          NCOMP (n, number of contours)
 5                           number of lines in contour 1
 1 2 3 4 5                             lines of contour 1
-4                           number of lines in contour 2
 9 8 7 6                               lines of contour 2
 4                                2nd geometry NLINES (m)
  2.0000   6.0000   6.0000   2.0000       (COORCH(1,1:m))
 -1.0000  -1.0000   1.0000   1.0000       (COORCH(2,1:m))
39  1  2  0   1.0000 20  2  3  0   1.0000
39  3  4  0   1.0000 20  4  1  0   1.0000 (LINE(:,j),RATE(j),j=1,m)
 1                          NCOMP (n, number of contours)
 4                           number of lines in contour 1
 1 2 3 4                               lines of contour 1
'I'      SOLUT, Solution method: 'D' Direct or 'I' Iterative method
'CGS'                            METHOD:Iterative method to be used
'P2'                             TYPE:type of problem to be solved