E05USF Example Program Data
  1.0   1.0                            :End of matrix A
  0.49  0.49  0.48  0.47  0.48  0.47  0.46  0.46  0.45  0.43  0.45
  0.43  0.43  0.44  0.43  0.43  0.46  0.45  0.42  0.42  0.43  0.41
  0.41  0.40  0.42  0.40  0.40  0.41  0.40  0.41  0.41  0.40  0.40
  0.40  0.38  0.41  0.40  0.40  0.41  0.38  0.40  0.40  0.39  0.39 :End of Y
  0.4      -4.0      1.0      0.0      :End of BL
  1.0E+25   1.0E+25  1.0E+25  1.0E+25  :End of BU