nag_quicksort (m01csc) Example Program Data
12 3 2
      6.0       5.0       4.0
      5.0       2.0       1.0
      2.0       4.0       9.0
      4.0       9.0       6.0
      4.0       9.0       5.0
      4.0       1.0       2.0
      3.0       4.0       1.0
      2.0       4.0       6.0
      1.0       6.0       4.0
      9.0       3.0       2.0
      6.0       2.0       5.0
      4.0       9.0       6.0