A |  28   0  46  46  12  28   0  46  46  12  11   2   2   2   4
C |   6   0   0   0  19   6   0   0   0  19   8   2   2  48  12
G |  12  48   2   2   8  12  48   2   2   8  19   0   0   0   6
T |   4   2   2   2  11   4   2   2   2  11  12  46  46   0  28