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