##fileformat=VCFv4.2
##FILTER=<ID=PASS,Description="All filters passed">
##reference=ref.fasta
##contig=<ID=1,length=51304566>
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	A	B
1	511	.	CAGCA	CAG	.	.	.	GT	1|0	.|1
1	511	.	CAGCA	CAA	.	.	.	GT	.|0	1|.
1	511	.	CAGCA	CCA	.	.	.	GT	.|0	.|.
