7 6  ROWS (dimension of x) COLS.    algorithm: knn
COL 1: START SOLUTION (used if not random start)
COL 2: LOWER BOUND
COL 3: UPPER BOUND
COL 4: VARTYPE: 0=Free Real * 1=Free Integer * 2=Fixed Real * 3=Fixed Integer
COL 5: BOUND MODE: 0 = Nonreducible * 1 = Reducible * 2 = Unbounded
COL 6: DIFFERENTIABILITY: 0 = None * 1 = Differentiable
   0 0   0   0  0  0    Objective
  50 50 70   1  1  0    KNN_NOBS
   3 2   5   1  1  0    KNN_LAG
   3 0   4   0  1  1    MAX_FOURIER
 0.2 0.1 0.9 0  1  1    FOURIER_RATIO
1000 1000 1100  0  1  1 RCOND_LIMIT
0.80 0.5 1   0  1  1    DATA_FRACTION