Pos	A	C	G	T
1	0.0	1.0	0.0	0.0
2	0.0	0.0	0.0	1.0
3	0.0	0.0	0.0	1.0
4	0.0	0.0	1.0	0.0
5	1.0	0.0	0.0	0.0
6	0.0	1.0	0.0	0.0
7	0.57142857142857	0.0	0.0	0.42857142857143