# DB 8 Header Line.
chr1	40	50	d8_1	100	-
chr1	110	125	d8_2	100	+
chr2	40	50	d8_3	100	-
chr2	110	125	d8_4	100	.
chr3	40	50	d8_5	100	-
chr3	110	125	d8_6	100	+