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