"reads.in" "reads.out" "SRR6848033_1.fastq" 10000 9909 "SRR6848054_1.fastq" 10000 9932 "SRR6848055_1.fastq" 10000 9983 "SRR6848056_1.fastq" 10000 9819 "SRR6848065_1.fastq" 10000 9893