[gradsusr] how to skip some contour values?

[giacomo tricarico]

Hi, I'm using the color.gs script with this code:'color 0 140 2 -kind white->cyan->green->yellow->orange->red->magenta'
But on the colored contour scale some values overlap others: how can I skip some contour values numbers?
For the code above it would be:0 2 4 6 8 10 ...... 140I would like it to be like:0 10 20 and then 22 24 26 ...140
Thanks,Giacomo 		 	   		  
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