ID test
PO	A	C	G	U
0	0.556211242248	0.0712142428486	0.0712142428486	0.301360272054
1	0.0	0.0	1.0	0.0
2	0.0	1.0	0.0	0.0
3	1.0	0.0	0.0	0.0
4	0.0	0.0	1.0	0.0
5	0.178835767153	0.463692738548	0.178735747149	0.178735747149