>seq1
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
TCTCTTGTGGGTAAATTTTATTTCAAGATTTCAACAAGTAGATGTACAGGTTTTTATTTA
CGCAAGATAATTCCATCATACTTTTGCTGAAACCACNNNNNNNNNNAAATACCAATGGAG
GGATCATACTTGATGCCCAAATCAATGTGTTCCTGGATTCCAAAGCCAAAGTTGCCCGTT
GCTGAGAAGCAGCTTCTGGGAAGTTCATATTCCTTGACTTTGAGACCCTTCTCTAAGATT
TCCTCAGCTTTTGGGCCTCTGACAGTACAGTGAACAGAGATCTTCTCGTTCCTTCTGATC
CCAAAAGATCTCACCAGTGTAGCGAGCTTTTGAAAACACAGGCTGTTGGCCTGTAAGCTG
TTCCAAGACCTTGGCTGCACGGGTCAACCTATCACCACTCTCGCCAACACATACATTGAG
TACCAACTTGGCGATCTTCAGATCCTTCATAACGTTGGACTTGGTTTCACCCACCATTTT
GAATCCT