Since the values are purely numeric -- int in this case -- you can handle up to 3 values without having to use XML. Because of the overhead of invoking XML at all, if you're certain you won't have more than 3 values, I suggest sticking with a non-XML method.
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".