ID test
PO	A	C	G	U
0	0.170534106821	0.570014002801	0.0453090618124	0.214142828566
1	0.0	0.0	1.0	0.0
2	0.0	1.0	0.0	0.0
3	0.0423084616923	0.0422084416883	0.0422084416883	0.873274654931
4	0.194638927786	0.0422084416883	0.223344668934	0.539807961592