%% List::Unspent(ranges) => {
<h2>{{"Sat Range".tally(ranges.len())}}</h2>
<ul class=monospace>
%% for (start, end) in ranges {
%% if end - start == 1 {
  <li><a href=/sat/{{start}} class={{Sat(*start).rarity()}}>{{start}}</a></li>
%% } else {
  <li><a href=/range/{{start}}/{{end}} class={{Sat(*start).rarity()}}>{{start}}–{{end}}</a></li>
%% }
%% }
</ul>
%% }
%% List::Spent => {
<p>Output has been spent.</p>
%% }
%% }
%% }