#Number_informative_bases	number_features
0	505755
1	28648
2	7103
3	3616
4	2247
5	2076
6	10464
7	35270
8	26426
9	28459
10	44545
11	36915
12	66655
13	42989
14	117725
15	70413
16	23555
17	14645
18	10853
19	7329
20	3690
21	3402
22	3676
23	272
24	94
25	85
26	51
27	22
28	11