a	5	4	1	1	1	1	0	1	0	0	0	2	1	0	0	1	1	2	0	1	0	1	4	4
c	13	12	8	9	6	5	20	15	3	21	20	18	20	3	20	17	7	20	2	20	18	2	13	10
g	5	6	13	11	15	16	3	6	18	1	3	2	0	17	2	2	15	1	21	1	5	19	3	6
t	0	1	1	2	1	1	0	1	2	1	0	1	2	3	1	3	0	0	0	1	0	1	3	3
//