#Number_informative_bases	number_features
0	23817
1	30135
2	36464
3	35459
4	26529
5	15776
6	7513
7	3301
8	3661
9	7942
10	15949
11	25180
12	31597
13	29494
14	21932
15	14182
16	10915
17	8492
18	5465
19	2938
20	2347