SRR21838645 GSM6620077_r1 GSM6620077_r1 assembly GRCh37 intentional_duplicate SRR21838646 GSM6620076_r1 GSM6620076_r1 assembly GRCh37 intentional_duplicate SRR21838647 GSM6620075_r1 GSM6620075_r1 assembly GRCh37 intentional_duplicate SRR21838648 GSM6620074_r1 GSM6620074_r1 assembly GRCh37 intentional_duplicate SRR21838649 GSM6620073_r1 GSM6620073_r1 assembly GRCh37 intentional_duplicate SRR21838651 GSM6620072_r1 GSM6620072_r1 assembly GRCh37 intentional_duplicate