> xeasy
> Contour plot         [cp]
>  
> level and bas 1 -8264.917969
> level and bas 2 -5903.655762
> level and bas 3 -4217.040039
> level and bas 4 -3012.314209
> level and bas 5 -2151.795898
> level and bas 6 -1537.139893
> level and bas 7 -1098.099976
> level and bas 8 -784.500000
> level and bas 9 -560.500000
> level and bas 10 -400.500000
> level and bas 11 400.500000
> level and bas 12 560.500000
> level and bas 13 784.500000
> level and bas 14 1098.099976
> level and bas 15 1537.139893
> level and bas 16 2151.795898
> level and bas 17 3012.314209
> level and bas 18 4217.040039
> level and bas 19 5903.655762
> level and bas 20 8264.917969
>  
> Contour plot         [cp]
>  
> level and bas 1 -12397.126953
> level and bas 2 -8855.233398
> level and bas 3 -6325.309570
> level and bas 4 -4518.221191
> level and bas 5 -3227.443848
> level and bas 6 -2305.459961
> level and bas 7 -1646.900024
> level and bas 8 -1176.500000
> level and bas 9 -840.500000
> level and bas 10 -600.500000
> level and bas 11 600.500000
> level and bas 12 840.500000
> level and bas 13 1176.500000
> level and bas 14 1646.900024
> level and bas 15 2305.459961
> level and bas 16 3227.443848
> level and bas 17 4518.221191
> level and bas 18 6325.309570
> level and bas 19 8855.233398
> level and bas 20 12397.126953
>  
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> Plotting file        [pf]
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> Contour plot         [cp]
>  
> level and bas 1 -16529.335938
> level and bas 2 -11806.811523
> level and bas 3 -8433.580078
> level and bas 4 -6024.128418
> level and bas 5 -4303.091797
> level and bas 6 -3073.779785
> level and bas 7 -2195.699951
> level and bas 8 -1568.500000
> level and bas 9 -1120.500000
> level and bas 10 -800.500000
> level and bas 11 800.500000
> level and bas 12 1120.500000
> level and bas 13 1568.500000
> level and bas 14 2195.699951
> level and bas 15 3073.779785
> level and bas 16 4303.091797
> level and bas 17 6024.128418
> level and bas 18 8433.580078
> level and bas 19 11806.811523
> level and bas 20 16529.335938
>  
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