ID test
PO	A	C	G	U
0	0.587317463493	0.0	0.227145429086	0.185537107421
1	0.0	0.0	1.0	0.0
2	0.0	0.0	1.0	0.0
3	1.0	0.0	0.0	0.0
4	0.314862972595	0.0568113622725	0.571614322865	0.0567113422685