values (alpha values are ignored) in the order they're intended to be assigned as indices</p></td></tr></table><p class="javadoc">Returns:</p><div class="indent inline-content"><p>A comma-separated string containing the level data in a FlxTilemap-friendly format.</p></div></div></div><div class="field "><a name="insert"></a><h3 class="anchor"><code><span class="label label-static">static</span><span class="label label-inline">inline</span><a href="#insert"><span class="identifier">insert</span></a>(<span st