##fileformat=VCFv4.3
##reference=ref.fa
##contig=<ID=1,assembly=b37,length=107349540>
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	A	B	C	D
1	1	.	C	T	.	PASS	.	GT	0/0	0/0	0/1	0/1
