## seq_name	start	end	feature_name	score	strand	thickStart	thickEnd	itemRgb	blockCount	blockSizes	blckStarts
chr1	3473041	3473370	mm9_chr1_3473041_3473370_+	0	+	3473041	3473370	255,0,0			
chr1	4380371	4380650	mm9_chr1_4380371_4380650_+	0	+	4380371	4380650	0,175,0			
chr1	4845581	4845781	mm9_chr1_4845581_4845781_+	0	+	4845581	4845781	255,80,180			
chr1	4845801	4846260	mm9_chr1_4845801_4846260_+	0	+	4845801	4846260	0,200,200			
chr1	4847751	4847910	mm9_chr1_4847751_4847910_+	0	+	4847751	4847910	255,100,0			
chr1	5072961	5073381	mm9_chr1_5072961_5073381_+	0	+	5072961	5073381	120,0,200