chrom	alias	start	end
chrI	CEN1	151465	151582
chrII	CEN2	238207	238323
chrIII	CEN3	114385	114501
chrIV	CEN4	449711	449821
chrV	CEN5	151987	152104
chrVI	CEN6	148510	148627
chrVII	CEN7	496920	497038
chrVIII	CEN8	105586	105703
chrIX	CEN9	355629	355745
chrX	CEN10	436307	436425
chrXI	CEN11	440129	440246
chrXII	CEN12	150828	150947
chrXIII	CEN13	268031	268149
chrXIV	CEN14	628758	628875
chrXV	CEN15	326584	326702
chrXVI	CEN16	555957	556073