P0       A     C     G     T
1        0     4     0     0
2        3     0     1     0
3        0     4     0     0
4        1     0     3     0
5        2     0     0     2
6        1     0     3     0
7        0     2     0     2
8        1     3     0     0
9        3     0     1     0
10       2     1     1     0
11       3     1     0     0
12       1     0     0     3
13       0     0     4     0
XX
//