##gff-version 3
##sequence-region   dna 1 20
dna	.	gene	1	20	.	-	.	ID=gene1
dna	.	exon	1	6	.	-	.	Parent=gene1
dna	gt cds	CDS	1	6	.	-	0	ID=CDS1;Parent=gene1
dna	.	exon	15	20	.	-	.	Parent=gene1
dna	gt cds	CDS	15	20	.	-	0	ID=CDS1;Parent=gene1
###
