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