ID test
PO	A	C	G	U
0	0.286057211442	0.114622924585	0.114622924585	0.484696939388
1	0.0	0.0	1.0	0.0
2	0.0	0.0	0.0	1.0
3	1.0	0.0	0.0	0.0
4	1.0	0.0	0.0	0.0
5	0.135527105421	0.135427085417	0.390878175635	0.338167633527