ID	size	centromere
2L	23011544
2LHet	368872
2R	21146708
2RHet	3288761
3L	24543557
3LHet	2555491
3R	27905053
3RHet	2517507
4	1351857
U	10049037
Uextra	29004656
X	22422827
XHet	204112
YHet	347038