a	|	0	2	1	4	0	3	0	4	1	3	0	4	0	3	1	4	0	4	0	4	0
c	|	0	0	1	0	1	0	0	0	2	0	0	0	4	0	0	0	3	0	0	0	0
g	|	0	2	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0
t	|	4	0	2	0	2	1	4	0	1	0	4	0	0	1	3	0	0	0	4	0	4