# i j thread_id
0 0 0
0 1 0
0 2 0
0 3 0
0 4 0
0 5 0
0 6 0
0 7 0
0 8 0
0 9 0
1 0 0
1 1 0
1 2 0
1 3 0
1 4 0
1 5 0
1 6 0
1 7 0
1 8 0
1 9 0
4 0 3
2 0 1
2 1 1
2 2 1
2 3 1
2 4 1
2 5 1
2 6 1
2 7 1
2 8 1
2 9 1
4 1 3
4 2 3
4 3 3
4 4 3
4 5 3
4 6 3
4 7 3
4 8 3
4 9 3
3 0 2
3 1 2
3 2 2
3 3 2
3 4 2
3 5 2
3 6 2
3 7 2
3 8 2
3 9 2