a	7	5	2	18	14	16	17	18	17	17	3	11	7
c	2	4	1	0	1	1	0	0	1	0	11	1	2
g	5	8	15	0	1	1	1	0	0	0	1	2	4
t	4	1	0	0	2	0	0	0	0	1	3	4	5
//