>1 dna:chromosome chromosome:GRCh38:1:1:248956422:1 REF
AGTAGCGTGATCTG
ACGTAC
ATAC

>xx
ACTGTGTGTAGTCGATCGTACTGTGAC
GTCG
GTCGGTCG

>seq2
AGTTACACGTGTACGTGTAGCTGTTATATTATAGATCGTACAAAAAAGTACGt
ACGTATGC
ACGTA