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