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