A |   6   3   1   0  20  20   1   0   4   0 
C |   5   6   3   0   0   0   0   3   0   2 
G |   1   6   0   0   0   0   0   0  16   1 
T |   4   3  16  20   0   0  19  17   0   0 
- |   4   2   0   0   0   0   0   0   0  17