0	1	c	c
1	2	a	a
2	3	t	t
3	4	c	c
4	5	a	a
5	6	t	t
6	7	c	c
7	8	a	a
8	9	t	t
9	10	c	c
10	11	a	a
11	12	t	t
12
12	13	c	c
13	14	a	a
14	12	t	t
