0	1
0	0
0	2
1	0
1	1
1	2
1	3
2	1
2	2
3	1
3	0
3	2
4	0
4	1
4	2
4	3
5	0
5	1
5	2
5	3
6	0
6	1
6	2
7	1
7	2
7	3
8	1
8	2
8	3
9	0
9	1
9	2
10	1
10	2
11	1
11	2
11	3
12	0
12	1
12	2
12	3
13	0
13	1
13	2
13	3
14	0
14	1
14	2
14	3
15	1
15	2
16	0
16	1
16	2
16	3
17	1
17	2
17	3
18	1
18	2
18	3
19	0
19	1
19	2
19	3
20	0
20	1
20	2
20	3
21	0
21	1
21	2
22	0
22	1
22	2
22	3
23	1
23	2