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