0:	-1
1:	3
2:	-5
3:	7
4:	-9
5:	11
6:	-13
7:	15
8:	-17
9:	19
10:	-21
11:	23
12:	-25
13:	27
14:	-29
15:	31
16:	-33
17:	35
18:	-37
19:	39
20:	-41
21:	43
22:	-45
23:	47
24:	-49
25:	51
26:	-53
27:	55
28:	-57
29:	59
30:	-61
31:	63
32:	-65
33:	-67
34:	1234567890