2 3
2
0 0
0 1
3 3
4
0 0
0 1
0 2
1 1
3 3
5
0 0
1 0
1 2
2 1
2 2
1 1
0
1 1
1
0 0
1 2
0
2 1
1
0 0
2 1
1
1 0
1 2
2
0 0
0 1
16 1
9
0 0
1 0
5 0
6 0
7 0
9 0
10 0
11 0
15 0
1 16
10
0 0
0 1
0 2
0 3
0 6
0 7
0 8
0 9
0 13
0 14
1 16
4
0 0
0 7
0 8
0 14
8 2
4
1 1
3 0
7 0
7 1
2 8
9
0 0
0 1
0 5
0 6
1 0
1 2
1 3
1 4
1 5
8 2
2
6 1
7 1
5 3
6
1 0
1 2
2 0
2 1
4 1
4 2
3 5
6
0 0
1 0
2 0
0 3
1 3
2 3
5 3
2
3 0
3 1
3 5
15
0 0
0 1
0 2
0 3
0 4
1 0
1 1
1 2
1 3
1 4
2 0
2 1
2 2
2 3
2 4
3 3
0
3 3
9
0 0
0 1
0 2
1 0
1 1
1 2
2 0
2 1
2 2
3 3
1
0 0
3 3
2
0 0
0 1
3 3
3
0 1
1 1
2 1
4 4
4
0 1
1 1
2 1
3 1
4 4
0
4 4
16
0 0
0 1
0 2
0 3
1 0
1 1
1 2
1 3
2 0
2 1
2 2
2 3
3 0
3 1
3 2
3 3
4 4
4
0 0
0 2
0 3
2 3
4 4
3
1 1
2 3
3 1
4 4
2
2 1
2 3
4 4
1
3 3
4 4
5
0 1
0 2
1 1
1 3
2 2
4 4
10
0 0
0 2
1 0
1 1
2 0
2 1
2 2
3 1
3 2
3 3
0 0