<stl:channels topLevel="1">
                <stl:channels topLevel="2">
                    <stl:if type="channels">
                        <stl:channels topLevel="3">
                            {channel.id upLevel=2}-{channel.channelindex upLevel=1}-{channel.channelindex}
                                    <stl:channels topLevel="4">
{channel.channelid}--{channel.id}.3..{channel.id upLevel=3}-{channel.id upLevel=2}-{channel.id upLevel=1}-{channel.id}

                                   <stl:channel type="id"></stl:channel>..<stl:channel type="id" upLevel="1"></stl:channel>
                                </stl:channels>
                            
                        </stl:channels>
                    </stl:if>
                </stl:channels>
            </stl:channels>