qname	chrom	start	end	strand	clip1	match	clip2	pclip1
read1	chr1	101	201	+	0	100	300	0
read1	chr2	300	400	+	100	100	200	100
read1	chr2	700	800	-	100	100	200	200
read1	chr2	900	1000	+	300	100	0	300

