6 lines (5 with data), 191 Bytes

# Bed records with comments interspersed.
chr1	10	20	first	100	+	12	18	255,124,1	3	2,6,2	10,12,18
# the second
# record is below.
chr1	100	200	second	250	.	120	180	252,122,12	2	35,40	100,160