focus variance
0.0082	0.000110148
0.007646	9.47E-05
0.007092	9.72E-05
0.006538	0.000143081
0.005984	0.000163393
0.00543	0.000142094
0.004876	0.000225681
0.004322	0.000158257
0.003768	0.000140775
0.003214	0.000222676
0.00266	0.000540281
0.002106	0.00124941
0.001552	0.00253566
0.000998	0.00479953
0.000444	0.00740389
-0.00011	0.00994981
-0.000664	0.0122097
-0.001218	0.014975
-0.001772	0.0156729
-0.002326	0.0067886
-0.00288	0.000510082
-0.003434	0.00619211
-0.003988	0.0144254
-0.004542	0.0174683
-0.005096	0.0179308
-0.00565	0.0192439
-0.006204	0.0199622
-0.006758	0.0200488
-0.007312	0.0199757
-0.007866	0.0201551
-0.00842	0.0202806
-0.008974	0.0205545