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