Please note the words "all our remaining games this season". If we finish third we will still go up by winning all our remaining games this season - in that case though, the winning games would include both legs of the play-off semi finals and a glorious and successful day out at Wembley.
So...
Forget all the convoluted permutations, if we win all our remaining matches this season, we will be promoted (unless we're disqualified for some stupid reason, or get a fifty point deduction or something). If we win all our remaining matches, there is no combination of other results that can...