@seq1 Sample sequence 1
ATCGATCGATCGATCGATCG
+
IIIIIIIIIIIIIIIIIIII
@seq2 Sample sequence 2
GCTAGCTAGCTAGCTAGCTA
+
IIIIIIIIIIIIIIIIIIII
@seq3 Sample sequence 3
TATATATATATATATATATA
+
IIIIIIIIIIIIIIIIIIII