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