Pos	A	C	G	U
1	0.364653	0.152679	0.329988	0.152679
2	0.065604	0.065604	0.720651	0.148141
3	0.612143	0.022615	0.022615	0.342626
4	0.009442	0.009442	0.971675	0.009442
5	0.009442	0.009442	0.009442	0.971675
6	0.971675	0.009442	0.009442	0.009442
7	0.009442	0.009442	0.971675	0.009442
8	0.4245	0.098493	0.098493	0.378514