>seq1
ACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
>seq2
**GTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
>seq3
**GTACGTACGTACGTACGTACGTACGTACGTA******TACGTACGTACGTACGT
>seq4
**GTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
>seq5
**GTACGTACGTACGTANNNNNNNNNNTACGTACGTACGTACGTACGTACGTACGT
>seq6
NNGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTXXXX
>seq7
**GTACGTACGTACGTACGTACGTACGTACGTA******TACGTACGTACGTACGT
>seq8
**GTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTXXXX
>seq9
ACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
>seq10
XXXXXXGTACGTACGTACGTACGTACGTACGTACGTACGTXXXXXXXXXXXXXXXX