a	8	15	16	0	23	0	0	0	5	15	3	6
c	7	1	1	23	0	0	0	20	18	1	6	2
g	3	4	0	0	0	1	23	3	0	1	2	3
t	5	3	6	0	0	22	0	0	0	6	12	12
//