>chr1
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
TCTAGTGGTATGGTGGTATAGTAAGCTCGTACTGTGATACATGCGACAGG
GGTAAGACCATCAGTAGTAGGGATAGTGCCAAAGCTCACTCACCACTGCC
TATAAGGGGTGCTTACCTCTAGAATAAGTGTCAGCCAGTATAACCCCATG
aagccgcgacacgacggctcacagccggtaagagtaaccccggagtgaac
acctatggggctggataaaactgccctggtgaccgccatcaacaacccga
atacgtggcatttcaggaggcggccggaggggggatgttttctactattc
gaggccgttcgttataacttgttgcgttcctagccgctatatttgtctct
GAGGCCGTTCGTTATAACTTGTTGCGTTCCTAGCCGCTATATTTGTCTCT
TTGCCGACTAATGAGAACAACCACACCATAGCGATTTGACGCAGCGCCTC
GGAATACCGTATCAGCAGGCGCCTCGTAAGGCCATTGCGAATACCAGGTA
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
>chr22
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
AGATACAGTGTCTTTGACACGTTTATGGATTACAGCAATCACATCCAAGA
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
CTGGCTATGCACGAAGCAACTCTTGAGTGTTAAAATGTTGACCCCTGTAT
>chrY
TTGGGATGCGGGTAGTAGATGACTGCAGGGACTCCGACGTCAAGTACATT
ACCCTCTCATAGGCGGCGTTCTAGATCACGTTACCGCCATATCATCCGAG