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