pan style="color:#00D">1</span>,<span style="color:#00D">2</span>])&#x000A;    .width(<span style="color:#00D">20</span>)&#x000A;    .height(lambda {<span style="color:#00D">60</span>+parent.index*<span style="color:#00D">20</span>+index*<span style="color:#00D">5</span>})&#x000A;    .bottom(<span style="color:#00D">0</span>)&#x000A;    .left(lambda {|d,t| parent.index*<span style="color:#00D">60</span>+index*<span style="color:#00D">25</span>})&#x000A;    &#x000A; bar.anchor(<span style="background-color:h