/User/MyData/Sample_1.fasta
/User/MyData/Sample_2.fasta
....
/User/MyData/Sample_81.fasta

>AT1G00001
ATCCACTGCTGTGTACCTGATCAGTGCTGACCCAYTGTGACACTGTG
>AT2G00002
AAAAATTTTGCCCGTGTGGGCCAAACTGTCATGCATGCACCGTACGTGCATGCAT
....
>ATXGXXXXX(up to 53)
AAACCCTCTTTGTGCCTGTGCATGCA

/User/MyData/AT1G00001.fasta
/User/MyData/AT2G00002.fasta
....
/User/MyData/ATXGXXXXX.fasta

>Sample_1
ATCCACTGCTGTGTACCTGATCAGTGCTGACCCAYTGTGACACTGTG
>Sample_2
ATCGACTCCCGTAGGACTGATTTTTCTGACCCCATTGTGACACTGTG
....
>Sample_81
TTCTGACCCCATTGTGACACTGTGATCGACTCCCGTAGGACTGATTT