F07WEF Example Program Data
  4 2 'L' 'N'                  : n, nrhs, uplo, transr
  0.76  4.16 -3.12  0.56 -0.10  
  0.34  1.18  5.03 -0.83  1.18 : A
  8.70   8.30
-13.35   2.13
  1.89   1.61
 -4.14   5.00                  : matrix B