I added the ? when I could not read it. Normal SR can only do so much with a 3x3 pixel blur. But their bottom line is mostly correct because their process also

I added the ? when I could not read it. Normal SR can only do so much with a 3x3 pixel blur. But their bottom line is mostly correct because their process also uses larger versions of the same pattern to replace the smaller ones. So, there was not a much larger T, so it made a little fuzzball instead. So I wrote "?".