Pos	A	C	G	U
1	0.81081081081081	0.081081081081081	0	0.10810810810811
2	0.027027027027027	0.054054054054054	0.91891891891892	0
3	0.027027027027027	0.27027027027027	0.7027027027027	0
4	0.89189189189189	0.081081081081081	0	0.027027027027027
5	0.13513513513514	0.45945945945946	0.32432432432432	0.081081081081081