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