ID test
PO	A	C	G	U
0	0.168633726745	0.49449889978	0.168433686737	0.168433686737
1	1.0	0.0	0.0	0.0
2	1.0	0.0	0.0	0.0
3	1.0	0.0	0.0	0.0
4	0.0	0.0	0.672534506901	0.327465493099
5	0.0815163032607	0.0815163032607	0.755551110222	0.0814162832567