##fileformat=VCFv4.1
##FILTER=<ID=PASS,Description="All filters passed">
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
##contig=<ID=1,assembly=b37,length=249250621>
##reference=ref.fasta
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	A
1	50	id50	C	G	.	.	.	GT	0/0
1	51	id51	C	A	.	.	.	GT	0/0
1	52	id52	C	T	.	.	.	GT	0/0
1	53	id53	C	A	.	.	.	GT	0/1
