ID test
PO	A	C	G	U
0	0.0	0.0	0.0	1.0
1	0.0	0.0	0.0	1.0
2	0.464346434643	0.0	0.0	0.535653565357
3	0.0	0.0	0.0	1.0
4	0.0	0.0	0.0	1.0