?o?	2??to?	2??t????
1	2	0
2	3	0
3	4	0
4	5	0
5	5	0
6	6	0
7	6	0
8	6	0
9	7	0
10	7	0
11	7	0
12	8	0
13	8	0
14	8	0
15	9	0
16	9	0
17	9	0
18	10	0
19	10	0
20	10	0
21	11	0
22	11	0
23	11	0
24	12	0
25	12	0
26	12	0
27	9	0
28	10	0
29	10	0
30	10	0
31	11	0
32	11	0
33	11	0
34	12	0
35	12	0
36	12	0