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