a	5	9	21	18	0	23	1	0	1	6	17	6	9	1
c	4	7	0	2	21	0	0	0	19	17	2	6	2	5
g	10	3	2	0	0	0	0	23	3	0	0	1	1	4
t	4	4	0	3	2	0	22	0	0	0	4	10	11	13
//