Peace Sign Hat

I want to make a hat, just a standard beanie type thing, plain and all, with a peace sign in it. I found a chart for it (http://www.knittingonthenet.com/patterns/motifpeace.htm) but I don’t know how I would go about making that in a different color if I’m doing it in the round, and I don’t want a seem on the hat. Any ideas on how I could go about it?

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