SRR27915835 B6.effective.fastq X3 SRR27915836 B4.effective.fastq X2 SRR27915837 B3.effective.fastq X1 SRR27915838 A6.effective.fastq W3 SRR27915839 A3.effective.fastq W2 SRR27915840 A2.effective.fastq W1