Pos	A	C	G	U
1	0	0.42009132420091	0	0.57990867579909
2	0	0.0045662100456621	0.99543378995434	0
3	0	0.99543378995434	0.0045662100456621	0
4	0	0.19634703196347	0	0.80365296803653