OK if I understand right, all corners in place expect two are twisted, one will be twisted clockwise the othe counter clockwise. The clockwise twist the U is on the right, the counterclockwise twist the U is on the left. Find the one that is twisted clockwise, the U should be on the right. Use the alg twice then turn the U twice then (you actually do the alg 4 times) but because the corners twisted in the reverse direction from the first you can do the alg in the opposite direction and save a step.
[Ri Di R D] [Ri Di R (D)] [U U]
[(Di) Ri D R] [Di Ri D R] [U U]
the D and Di cancel out so you have:
Ri Di R D Ri Di R U U Ri D R Di Ri D R U U
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