##fileformat=VCFv4.1
##fileDate=20190708
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
##contig=<ID=chr1,length=248956422>
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	SAMPLE_ONE	SAMPLE_TWO
chr1	100	.	A	T	.	.	.	GT	0/1	./.
chr1	100	.	A	C	.	.	.	GT	.	1
chr1	200	.	A	C	.	.	.	GT	.	1
chr1	200	.	A	T	.	.	.	GT	0/1	./.
