PO	A	C	G	U
1	0.186898926051205	0.100217794629868	0.612665482682072	0.100217794629868
2	0.0283191185239991	0.0283191185239991	0.811254406316241	0.132107356290069
3	0.00450695890905959	0.00450695890905959	0.00450695890905959	0.986479122662484
4	0.907336899708874	0.00450695890905959	0.00450695890905959	0.0836491818626719
5	0.0836491818626719	0.00450695890905959	0.907336899708874	0.00450695890905959
6	0.0292390018366642	0.0292390018366642	0.912282993619109	0.0292390018366642
7	0.0543220640136055	0.0543220640136055	0.837033807831982	0.0543220640136055