SRR6666220 A.2_split_2.fq A2 SRR6666221 A.1_split_2.fq A1 SRR6666222 B.2_split_2.fq B2 SRR6666223 B.1_split_1.fq B1 SRR6666224 C.2_split_1.fq C2 SRR6666225 C.1_split_1.fq C1 SRR6666226 D.2_split_2.fq D2 SRR6666227 D.1_split_2.fq D1