PO	A	C	G	U
1	0.070175438596491	0.035087719298246	0.10526315789474	0.78947368421053
2	1	0	0	0
3	0	1	0	0
4	0	0	0	1
5	1	0	0	0
6	1	0	0	0
7	0	0.87719298245614	0	0.12280701754386