@pair001/1 paired read 1 forward
ATCGATCGATCGATCGATCG
+
IIIIIIIIIIIIIIIIIIII
@pair002/1 paired read 2 forward
GCGCGCGCGCGCGCGCGCGC
+
IIIIIIIIIIIIIIIIIIII
@pair003/1 paired read 3 forward
AATTCCGGAATTCCGGAATT
+
IIIIIIIIIIIIIIIIIIII