new index	atom name	original index
1	C	1
2	C	16
3	C	2
4	C	15
5	C	8
6	C	9
7	C	7
8	C	10
9	C	6
10	C	11
11	C	4
12	C	12
13	O	5
14	O	13
15	O	3
16	O	14
17	H	17
18	H	18
19	H	19
20	H	30
21	H	29
22	H	28
23	H	20
24	H	21
25	H	26
26	H	27
27	H	23
28	H	24
29	H	22
30	H	25
