 WAVE PROPAGATION PROBLEM INPUT DATA
  1 11 .5
  3 20 .001
  3 40 .001
  3 80 .00001
  3160 .000001
  3320 .0000001
  4  5 .001
  4 10 .0001
  4 20 .00001
  4 40 .000001
  4 80 .00000001
  41601.0000E-10
  5  3 .001
  5  6 .0004
  5 12 .000002
  5 24 .00000001
  5 481.0000E-10
  6  2 .001
  6  4 .0001
  6  8 .0000001
  6 16 .00000001
  6 321.0000E-10
 -1
