PO	A	C	G	U
1	0.150245179456345	0.0619631097230269	0.0619631097230269	0.725828602003303
2	0.0148012128291407	0.0148012128291407	0.0148012128291407	0.955596358807824
3	0.0148012128291407	0.0148012128291407	0.0148012128291407	0.955596358807824
4	0.0148012128291407	0.0148012128291407	0.0148012128291407	0.955596358807824
5	0.0148012128291407	0.0148012128291407	0.0148012128291407	0.955596358807824
6	0.0148012128291407	0.206828780607553	0.204773290079973	0.573596713778579
7	0.0842994180014102	0.0842994180014102	0.566466532420563	0.264934626698853