shift	step
0	30.24
1	30.24
2	30.24
3	30.24
4	30.24
5	30.26
6	30.26
7	30.26
8	43.95
9	43.95
10	43.95
11	43.95
12	43.80
13	43.95
14	43.95
15	112.17
16	112.17
17	112.17
18	114.78
19	44.39
20	30.26
21	30.26
22	30.24
23	30.24
24	30.24
25	30.24
26	30.24
27	30.24
28	30.24
29	30.24
30	30.24
31	30.24
32	30.24
33	30.24
34	30.24
35	30.24
36	30.24
37	30.24
38	30.24
39	30.24