ected-height="20"></div>
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<div class="container">
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</div>

<div class="container">
  <div class="item" style="justify-self: start; align-self: stretch;" data-expected-width="40" data-expected-height="40"></div>
</div>

<div class="container">
  <div class="item" style="justify-self: stretch; align-self: stretch;" data-expected-width="40" data-expected-height="50"></div>
</div