##fileformat=VCFv4.1
##FILTER=<ID=PASS,Description="All filters passed">
##INFO=<ID=SVLEN,Number=.,Type=Integer,Description="Difference in length between REF and ALT alleles">
##contig=<ID=1>
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO
1	1	.	A	<DEL>	.	.	SVLEN=-1000
1	18	.	AC	A	.	.	.
