Frustrating research

[Mudhammam]

So, I'm quite peeved at the moment. I'm reading Loeb Classical Library's publication of Xenophon's Memorabilia, and there are numerous cross references to Plato's Symposium, of which I am trying to make use. Except that there is a big fucking problem. My translation of Plato, and apparently all of those I can find online, adhere to the Stephanus pagination system of line numbering, and according to this Symposium begins at 172a and ends at 223d. Yet in the two references to Symposium in the commentary notes of Memorabilia, mention is only made to "Pl. Smp. 22b" and "Pl. Smp 4.10-26." But there is no "section 4" or "section 22" in any translation or catalog of Plato's Symposium that I can find. For the first, I discovered that "22b" corresponded to "222b" in the translation of Symposium I own and for which all online texts seem to agree, so you might think "4.10-26" corresponds to "204," except it doesn't appear to, and it also wouldn't make sense for sections 176-199 in the standard text. So, what the fuck version of Symposium is it to which Loeb refers? I have an even more perplexing question beyond this but if no one can help me here, I doubt putting forth my other question would be of much use.

If you can solve this, thank you in advance to whoever you are. I've wasted like over an hour of my day researching this bullshit and coming across no solution.

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I'm also very early in Memorabilia so I feel like I'm going to come across this a lot, so the sooner I can follow along the better!