) The reference is to a previous time when they had sat there. That particular occasion can only be known if you've read the whole story up to this point. CJ
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same place we'd sat that one time before
that one time ~ on that particular occasion
('that' means 'that', the same thing it always means as a demonstrative.)
The reference is to a previous time when they had sat there. That particular occasion can only be known if you've read the whole story up to this point.
CJ