Pos	A	C	G	U
1	0.365008	0.152653	0.329687	0.152653
2	0.065437	0.065437	0.721427	0.147699
3	0.612033	0.022555	0.022555	0.342858
4	0.009152	0.009152	0.972545	0.009152
5	0.009152	0.009152	0.009152	0.972545
6	0.972545	0.009152	0.009152	0.009152
7	0.009152	0.009152	0.972545	0.009152
8	0.424969	0.098512	0.098512	0.378007