ID test
PO	A	C	G	U
0	0.326732673267	0.377837783778	0.147714771477	0.147714771477
1	0.0	0.0	0.0	1.0
2	1.0	0.0	0.0	0.0
3	0.0	0.0	0.0	1.0
4	0.455745574557	0.0575057505751	0.236423642364	0.250325032503
5	0.479747974797	0.102210221022	0.102210221022	0.315831583158