new index	atom name	original index
1	C	10
2	C	12
3	C	11
4	C	13
5	C	14
6	C	16
7	C	15
8	C	17
9	C	7
10	C	8
11	C	18
12	C	19
13	C	6
14	C	9
15	Cl	4
16	Cl	5
17	Cl	1
18	Cl	2
19	Cl	3
20	H	21
21	H	23
22	H	22
23	H	24
24	H	25
25	H	27
26	H	26
27	H	28
28	H	20
