2.5 0
0.5 1
2.5 1
4 2
0 3
2 3
0 4
2 4
2 5
4 1
0 2
2 2
4 3
4 4
1 2
1 3
1 4
3 2
3 3
3 4
===
2.5 0
0.5 1
2.5 1
4 2
0 3
2 3
0 4
2 4
2 5
4 1
0 2
2 2
4 3
4 4
1 2
1 3
1 4
3 2
3 3
3 4
===
0 1 0 2 0 9 9 3 1 2 1 10 10 4 2 2 2 11 11 5 3 12 12 13 13 8 4 6 5 7 6 8 7 8 8 16 16 15 15 14 14 1 8 19 19 18 18 17 17 2
===
0 1 2 2 3 5 5 4 6 6 11 11 11 7 8 9 10 12 12 12 12 13 13 13 13
===
2.5 0
1 1
2.5 2
4 1
0 2
2 3
0 3
2 4
2 5
2.5 1
4 2
4 3
4 4
0 4
1 2
1 3
1 4
3 3
3 4
===
2.5 0
0.5 2
2.5 2
4 4
0 6
2 6
0 12
2 12
2 15
4 2
0 4
2 4
4 6
4 12
1 4
1 6
1 12
3 4
3 6
3 12
===