##fileformat=VCFv4.3
##FILTER=<ID=PASS,Description="All filters passed">
##contig=<ID=1>
##FORMAT=<ID=S,Number=1,Type=String,Description="Text">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO	FORMAT	S1	S2	S3
1	100	a	A	T	.	.	.	.	.	.	.
