Move the slider from left to right.
Move the slider from right to left.
These sentences are identical to CafeTran's matching algorithm. When you're tired and especially in long sentences, the alternative word order is sometimes difficult to spot.
So I advise everyone to create a glossary or fragments base to perform QA term consistency. This will spot wrong translations (where you mixed up left and right).
Note, however, that this work-around only works for this particular situation.