SRR21926761 GSM6637687_r1 SRR21926762 GSM6637687_r2 SRR21926763 GSM6637687_r3 SRR21926764 GSM6637687_r4 SRR21926765 GSM6637688_r1 SRR21926766 GSM6637688_r2 SRR21926767 GSM6637688_r3 SRR21926768 GSM6637688_r4