3
1.000000000000000 0.000000000000000
1.000000000000000 1.000000000000000
0.000000000000000 1.000000000000000
3
0.000000000000000 0.000000000000000
2.000000000000000 0.000000000000000
0.000000000000000 2.000000000000000
3
3.000000000000000 0.000000000000000
3.000000000000000 4.000000000000000
-1.000000000000000 -0.000000000000000