30
0	22
1	22
2	22
3	22
4	22
5	22
6	22
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	0.
15	0.
16	0.
17	0.
18	0.
19	0.
20	0.
21	0.
22	0.
23	0.
24	0.
25	0.
26	0.
27	0
28	0.
29	0.