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