chr	start	end	cn	loh
chr1	1	60000000	1	1
chr1	60000001	60000999	2	0
chr1	60001000	62990000	0	1
chr1	62990001	62999999	2	0
chr1	63000000	121500000	1	1
chr1	128900001	139999999	2	0
chr1	140000000	152000000	1	1
chr1	152000001	189600351	2	0
chr1	189600352	220352872	3	0
chr1	220352873	220352971	2	0
chr1	220352972	234920000	5	0
chr1	234920001	234999999	2	0
chr1	235000000	249250621	3	0
