##fileformat=VCFv4.2
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
##contig=<ID=20,length=2147483647>
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	sample
20	1	.	A	C,G,T	.	.	.	GT	3|2|1|0
