The custom field names (i.e. gars2) will appear in the first post like $post[gars2]. And as such, they can be included into the template where you see fit.
The limitation here is that some custom fields require formatting (i.e. thumbnail to URL, date, etc...) and as such they require logic (code) to process to format. This is pretty easy to do as well and is only required for some types of custom fields.
HTHs
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