>chr1
ACCTACGATCGACTGATCGTAGCTAGCT
CATCGATCGTACGGACGATCGATCGGTT
CACACCGGGCATGACTGATCGGGGGCCC
ACGTGTGTGCAGCGCGCGGCGCGCGCGG
>chr2
TTTTGATCGATCGGCGGGCGCGCGCGGC
CAGATTCGGGCGCGATTATATATTAGCT
CGACGGCGACTCGAGCTACACGTCGGGC
GCGAGCGGGACGCGCGGCGCGCGCGGCC
AAAAAAATTTTTATATATTATTACGCGC
CGACTCAGTCGACTGGGGGCGCGCGCGC
AAACCACA