Pos	A	C	G	U
1	0.365059	0.152656	0.329629	0.152656
2	0.065548	0.065548	0.721124	0.14778
3	0.612251	0.022648	0.022648	0.342454
4	0.00915	0.00915	0.97255	0.00915
5	0.00915	0.00915	0.00915	0.97255
6	0.97255	0.00915	0.00915	0.00915
7	0.00915	0.00915	0.97255	0.00915
8	0.424267	0.098489	0.098489	0.378755