6 6  ROWS (dimension of x) COLS.    algorithm: vmx
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
   3  2  7  1  1  0         YLAG
   2  2  7  1  1  0         XLAG
0.50 0.20 0.50  0  1  1     AIC_WEIGHT
0.10 0.20 0.50  0  1  1     SR_WEIGHT
0.80 0.50 1.0  0  1  1      DATA_FRACTION