@arg = qw(foo bar baz qux)

<s-gensym3 xsi:type="xsd:string">foo</s-gensym3>
<s-gensym5 xsi:type="xsd:string">bar</s-gensym5>
<s-gensym7 xsi:type="xsd:string">baz</s-gensym7>
<s-gensym9 xsi:type="xsd:string">qux</s-gensym9>