F11DAF Example Program Data
  4                   N
  11                  NNZ
  0 0.0               LFILL, DTOL
  'C'                 PSTRAT
  'N'                 MILU
  1.   1    2
  1.   1    3
 -1.   2    1
  2.   2    3
  2.   2    4
  3.   3    1
 -2.   3    4
  1.   4    1
 -2.   4    2
  1.   4    3
  1.   4    4        A(I), IROW(I), ICOL(I), I=1,...,NNZ