> xeasy
> Load zoom           [lz]
> Contour plot         [cp]
>  
> level and bas 1 -24793.753906
> level and bas 2 -17709.966797
> level and bas 3 -12650.119141
> level and bas 4 -9035.942383
> level and bas 5 -6454.387695
> level and bas 6 -4610.419922
> level and bas 7 -3293.300049
> level and bas 8 -2352.500000
> level and bas 9 -1680.500000
> level and bas 10 -1200.500000
> level and bas 11 1200.500000
> level and bas 12 1680.500000
> level and bas 13 2352.500000
> level and bas 14 3293.300049
> level and bas 15 4610.419922
> level and bas 16 6454.387695
> level and bas 17 9035.942383
> level and bas 18 12650.119141
> level and bas 19 17709.966797
> level and bas 20 24793.753906
>  
> Contour plot         [cp]
>  
> level and bas 1 -20661.544922
> level and bas 2 -14758.389648
> level and bas 3 -10541.849609
> level and bas 4 -7530.035645
> level and bas 5 -5378.739746
> level and bas 6 -3842.099854
> level and bas 7 -2744.500000
> level and bas 8 -1960.500000
> level and bas 9 -1400.500000
> level and bas 10 -1000.500000
> level and bas 11 1000.500000
> level and bas 12 1400.500000
> level and bas 13 1960.500000
> level and bas 14 2744.500000
> level and bas 15 3842.099854
> level and bas 16 5378.739746
> level and bas 17 7530.035645
> level and bas 18 10541.849609
> level and bas 19 14758.389648
> level and bas 20 20661.544922
>  
> Plotting file        [pf]
>  
> level and bas 0 -1000.000000
> level and bas 1 -1400.000000
> level and bas 2 -1960.000000
> level and bas 3 -2744.000000
> level and bas 4 -3841.599854
> level and bas 5 -5378.239746
> level and bas 6 -7529.535645
> level and bas 7 -10541.349609
> level and bas 8 -14757.889648
> level and bas 9 -20661.044922
> level and bas 10 1000.000000
> level and bas 11 1400.000000
> level and bas 12 1960.000000
> level and bas 13 2744.000000
> level and bas 14 3841.599854
> level and bas 15 5378.239746
> level and bas 16 7529.535645
> level and bas 17 10541.349609
> level and bas 18 14757.889648
> level and bas 19 20661.044922
>