>chr1:1-1000
AGCAAGGCTACTCTGCCGCTTACAATACTCGTCCCATATTTAAGTCGTCTGCAAAGGATTCATCTCCCCGATCGTTTGGAATTGCGATTCAAAGCACCCGGGCACAGCTTCTTCCGCCGGCCCGGGGAAACTCTCGACACATGCTTCTGGGGACGGACGAGCCGCCCCTACCGGTAGTCGGGTGAAAACCGGGGAGGTAGAAAGCGCCGCTTCTAGCATGGATTCTGACTTAGAGGCGTTCAGTCATAATCCTACGCATGGTAGCTTCGCGTCACTGGCTTTTCAACCAAACGCAATTACCAATTATGCGAATCAACGGTTCCTCTCGTACTAAGTTGAATTACTATTGCGGCGCCGAGTCATCAGTAGGGTAAAACTAACCTGTCTCACGACGGTCTAAACCCAGCTCACGTTCCCTATTGGTGGGTGAACAATCCAACACTTGGTGAATTCTGCTTCACAATGATAGGAAGAGCCGACATCGAAGGATCAAAAAGCAACGTCGCTATGAACGCTTGGCTGCCACAAGCCAGTTATCCCTGTGGTAACTTTTCTGACACCTCTAGCTTCAAATTCCGAAAGACTAAAGGATCGATAGGCCATGCTTTCACAGTTTGTATTCGTACTGAAAATCAAAATCAAATGAGCTTTTACCCTTTTGTTCTACACGAGATTTCTGTTCTCGTTGAGCTCATCTTAGGACACCTGCGTTATCTTTTAACAGATGTGCCGCCCCAGCCAAACTCCCCACCTGACAATGTCTTCCACCTGGGTCGCGCAGCCCGTTGCCGGGCGCGCTTAAGGCCAGAAGCGGGGCCATAGGCCCGCCCCCACCTCATGGAATAAGTAAAATAACGTCAAAAGTAGTGGTATTTCACTTGCGGCCCTCACGGACCTCCCACTTATTCTACACCTCTTGAGTCATTTCACAAAGTCGGACTAGAGTCAAGCTCAACAGGGTCTTCTTTCCCCGCTGATTTTTCCAAGCCCGTTCCCTTGG