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