PO	A	C	G	U
1	0.178193502140083	0.0872748171298672	0.559955658611622	0.174576018853948
2	0.0187091904613737	0.0187091904613737	0.943872429890684	0.0187091904613737
3	0.943872429890684	0.0187091904613737	0.0187091904613737	0.0187091904613737
4	0.0187091904613737	0.943872429890684	0.0187091904613737	0.0187091904613737
5	0.390029702673727	0.0187091904613737	0.572551917678331	0.0187091904613737
6	0.467654595207375	0.0187091904613737	0.494927025144681	0.0187091904613737
7	0.236166926814529	0.0418072619199785	0.680218543574584	0.0418072619199785