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