a	0	3	0	0	9	0	0	2	0	0	5	2
c	3	0	0	9	0	0	8	0	0	10	0	3
g	3	4	8	0	1	10	0	8	9	0	1	4
t	4	3	2	1	0	0	2	0	1	0	4	1
//