0	1	null	null
0	2	null	null
0	3	null	IBM China Research Lab
0	4	null	IBM China Research Lab,
0	5	null	null
0	6	null	null
0	7	null	Tsinghua University
0	8	null	null
0	9	null	null
0	10	null	null
0	11	null	null
0	12	null	null
0	13	null	null
0	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
0	15	null	null
1	2	null	null
1	3	null	IBM China Research Lab
1	4	null	IBM China Research Lab,
1	5	null	null
1	6	null	null
1	7	null	Tsinghua University
1	8	null	null
1	9	null	null
1	10	null	null
1	11	null	null
1	12	null	null
1	13	null	null
1	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
1	15	null	null
2	3	null	IBM China Research Lab
2	4	null	IBM China Research Lab,
2	5	null	null
2	6	null	null
2	7	null	Tsinghua University
2	8	null	null
2	9	null	null
2	10	null	null
2	11	null	null
2	12	null	null
2	13	null	null
2	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
2	15	null	null
3	4	IBM China Research Lab	IBM China Research Lab,
3	5	IBM China Research Lab	null
3	6	IBM China Research Lab	null
3	7	IBM China Research Lab	Tsinghua University
3	8	IBM China Research Lab	null
3	9	IBM China Research Lab	null
3	10	IBM China Research Lab	null
3	11	IBM China Research Lab	null
3	12	IBM China Research Lab	null
3	13	IBM China Research Lab	null
3	14	IBM China Research Lab	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
3	15	IBM China Research Lab	null
4	5	IBM China Research Lab,	null
4	6	IBM China Research Lab,	null
4	7	IBM China Research Lab,	Tsinghua University
4	8	IBM China Research Lab,	null
4	9	IBM China Research Lab,	null
4	10	IBM China Research Lab,	null
4	11	IBM China Research Lab,	null
4	12	IBM China Research Lab,	null
4	13	IBM China Research Lab,	null
4	14	IBM China Research Lab,	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
4	15	IBM China Research Lab,	null
5	6	null	null
5	7	null	Tsinghua University
5	8	null	null
5	9	null	null
5	10	null	null
5	11	null	null
5	12	null	null
5	13	null	null
5	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
5	15	null	null
6	7	null	Tsinghua University
6	8	null	null
6	9	null	null
6	10	null	null
6	11	null	null
6	12	null	null
6	13	null	null
6	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
6	15	null	null
7	8	Tsinghua University	null
7	9	Tsinghua University	null
7	10	Tsinghua University	null
7	11	Tsinghua University	null
7	12	Tsinghua University	null
7	13	Tsinghua University	null
7	14	Tsinghua University	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
7	15	Tsinghua University	null
8	9	null	null
8	10	null	null
8	11	null	null
8	12	null	null
8	13	null	null
8	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
8	15	null	null
9	10	null	null
9	11	null	null
9	12	null	null
9	13	null	null
9	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
9	15	null	null
10	11	null	null
10	12	null	null
10	13	null	null
10	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
10	15	null	null
11	12	null	null
11	13	null	null
11	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
11	15	null	null
12	13	null	null
12	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
12	15	null	null
13	14	null	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China
13	15	null	null
14	15	Department of Computer Science and Technology, Tsinghua University, Beijing 100084, PR China	null
