4
0 0 1 1
2 0 3 1
0 2 1 3
2 2 3 3
A:4

4
0 0 1 2
1 0 3 1
0 2 2 3
2 1 3 3

4
0 0 2 1
2 0 3 2
1 2 3 3
0 1 1 3

3
0 0 990000 990000
990001 990001 1000000 1000000
0 990000 900000 1000000
A:1

5
0 0 1 1
1 1 2 2 
2 2 3 3
2 0 3 1
0 2 1 3

3
0 0 1 5
1 1 2 2
1 2 2 3

3
0 1 5 2
0 2 3 1
5 0 6 1

7
0 1 1 2
0 3 1 4
2 0 3 1
2 2 3 3
2 4 3 5
4 1 5 2
4 3 5 5
A:7

2
1 0 3 2
0 2 2 4

2
0 0 2 2
2 1 4 3

2
0 0 2 2
1 2 3 4

2
0 1 2 3
2 0 4 2