<p><span class="h-card" translate="no"><a href="https://mastodon.social/@shriramk" class="u-url mention">@<span>shriramk</span></a></span> I don't know what they did, but it make sense to book the position in a row ABCetc and leave the row flexible. One can plausibly even say that a seat designation comprises of a row number and a seat character.</p>