Fix an err on outputting the same read on both side
Fix an err on outputting the same read on both side

aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator,aquaskyline/10xReadsSimulator