##fileformat=VCFv4.2
##reference=ref.fasta
##contig=<ID=22,length=51304566>
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	A1	A2	A3	B1	B2	C
22	10	.	C	A	.	.	.	GT	./.	0/1	0/0	./.	0/0	./.
22	22	.	A	C	.	.	.	GT	0/0	0/0	0/0	0/0	0/0	0/0
22	23	.	C	A	.	.	.	GT	0/1	0/0	0/0	0/1	0/0	1/0
