1,number,price
2,1,-400
3,2,-380
4,3,-360
5,4,-340
6,5,-320
7,6,-300
8,7,-280
9,8,-260
10,9,-240
11,10,-220
12,11,-200
13,12,-180
14,13,-160
15,14,-140
16,15,-120
17,16,-100
18,17,-80
19,18,-60
20,19,-40
21,20,-20
22,21,10
23,22,30
24,23,50
25,24,70
26,25,90
27,26,110
28,27,130
29,28,150
30,29,170
31,30,190
32,31,210
33,32,230
34,33,250
35,34,270
36,35,290
37,36,310
38,37,330
39,38,350
40,39,370
41,40,390