a	11	7	2	17	20	19	16	18	17	19	1	6	8
c	3	5	0	0	0	1	0	0	1	0	0	3	3
g	0	0	1	0	0	0	1	1	1	0	1	1	3
t	6	8	17	3	0	0	3	1	1	1	18	10	6
//