Chong Chom is not Aranyaprathet/Poipet. Different border. Poipet has long had a restriction on same day re-entry, this is actually an official regulation on the Cambodian side- you are meant to stay 24h minimum in Cambodia- but other borders don't seem to bother with it. This includes people with multiple entry non-Os based on marriage.
See for example:
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81-thai-visa-denied-after-visa-run-to-cambodia-at-the-same-day/