Just a sanity check here for you, based on the seals fitted to my old 43F when I first got it.
There is a right and wrong way up. The seal has a flat face one side and a channel the other side. The channel points down the fork towards the wheel spindle.
This way, the oil under pressure goes in to the channel and opens the seal against the tube and stanchion maintaining the seal as pressure increases.
If the seal goes in upside down the reverse happens, oil pressure closes the channel and lets oil past. Down the fork leg and on to the brake. Once oil is in the pads, no amount of petrol soaking and blow torch fun (even both at the same time!) will save the pads.
Apologies if this is obvious to you, but it clearly wasn't to the previous owner of that bike and maybe other readers of this thread.
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