F07BSF Example Program Data
  4  2  1  2                                       :Values of N, NRHS, KL and KU
 (-1.65, 2.26) (-2.05,-0.85) ( 0.97,-2.84)
 ( 0.00, 6.30) (-1.48,-1.75) (-3.99, 4.01) ( 0.59,-0.48)
               (-0.77, 2.83) (-1.06, 1.94) ( 3.33,-1.04)
                             ( 4.48,-1.09) (-0.46,-1.72)  :End of matrix A
 ( -1.06, 21.50) ( 12.85,  2.84)
 (-22.72,-53.90) (-70.22, 21.57)
 ( 28.24,-38.60) (-20.73, -1.23)
 (-34.56, 16.73) ( 26.01, 31.97)                          :End of matrix B