P0       A     C     G     T
1        0     0     0     4
2        2     0     2     0
3        1     1     0     2
4        4     0     0     0
5        0     1     1     2
6        3     0     0     1
7        0     0     0     4
8        4     0     0     0
9        1     2     0     1
10       3     0     1     0
11       0     0     0     4
12       4     0     0     0
13       0     4     0     0
14       3     0     0     1
15       1     0     0     3
16       4     0     0     0
17       0     3     1     0
18       4     0     0     0
19       0     0     0     4
20       4     0     0     0
21       0     0     0     4
XX
//