"actual"	"estimated"	"frequency"	"error"
3	3	23	0
4	4	65	0
5	5	102	0
6	5	7	1
5	6	4	-1
6	6	120	0
7	6	18	1
5	7	1	-2
6	7	20	-1
7	7	113	0
8	7	30	1
9	7	2	2
7	8	25	-1
8	8	76	0
9	8	24	1
10	8	6	2
11	8	1	3
8	9	28	-1
9	9	76	0
10	9	37	1
11	9	11	2
12	9	1	3
8	10	1	-2
9	10	18	-1
10	10	46	0
11	10	19	1
12	10	4	2
9	11	2	-2
10	11	16	-1
11	11	26	0
12	11	17	1
13	11	7	2
14	11	2	3
10	12	2	-2
11	12	12	-1
12	12	19	0
13	12	11	1
14	12	3	2
15	12	2	3
12	13	3	-1
13	13	6	0
14	13	3	1
15	13	1	2
12	14	1	-2
13	14	1	-1
14	14	4	0
15	14	6	1
13	15	1	-2
14	15	2	-1
15	15	2	0