'model.dat' 'pts.out'           (model, output file with sections)
1  61 4   -1     0.001          (IPS, NC1, NC2, STEP, ERR)
/                               (no values of isolines)
-.4999999 -15 -25   60.9999998 0 0   0 0 35   0 1 0   30 /
/

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