int newBegin = Math.min(mappedTo[0], mappedTo[1]);
int newEnd = Math.max(mappedTo[0], mappedTo[1]);
SequenceFeature copy = new SequenceFeature(sf, newBegin, newEnd,
int newBegin = Math.min(mappedTo[0], mappedTo[1]);
int newEnd = Math.max(mappedTo[0], mappedTo[1]);
SequenceFeature copy = new SequenceFeature(sf, newBegin, newEnd,