a	7	6	2	15	15	15	13	14	12	14	2	5	5
c	2	4	11	0	0	0	2	0	1	0	1	3	3
g	3	2	1	0	0	0	0	0	1	1	1	3	2
t	3	3	1	0	0	0	0	1	1	0	11	4	5
//