0*50,
1*50,
2*50,
3*50,
4*50,
5*50,
6*50,
7*50,
8*50,
9*50,
10*50,
11*50,
12*50,
13*50,
14*50,
15*1,
16*1,
17*1,
18*1,
19*1,
20*1,
21*50,
22*50,
23*50,
24*50,
25*50,
26*50,
27*50,
28*50,
29*50,
30*50,
31*50