[gradsusr] Please help me with grads! "Lateral space"?

[giacomo tricarico]

Hi everybody, I have a little problem. Here is my grads generated gif image:
http://www.meteoacquaviva.it/increase.gif
How could I increase the "lateral" space? As you can see the -16, -20 values are for example "cut": I would just like the coloured map to have more space to its left (adding space to the left of the latitude coordinates) and right (next to the legend).
I have also tried with printim namefile.gif xXXX yXXX, but it's the same, the whole gif image is just bigger, but no lateral space.
Thanks all,Giacomo 		 	   		  
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