How to transform multivalues xml attribute with xsl

I need to transform xml to plain xml with xsl from:

<LongAssetInfoMulti attrTagName.s="tagName" attrName.s="tagName" values.ll="14491 14553 14568 14581 15239 15240 15241"/>

to:

<tagName>14491</tagName>
<tagName>14553</tagName> ....

I allready did this:

<xsl:template match="/">
    <xsl:variable name="test" select="//LongAssetInfoMulti/@values.ll"/>
    <xsl:for-each select="$test">
            <xsl:value-of select="$test"></xsl:value-of>
    </xsl:for-each>
</xsl:template>

Anyone have any idea how to parse multiple attribute values?