5 [3,2] []
 1.5681433796945200
 0.3000000000000000  0.0000000000000000
 0.2500000000000000  0.6
-0.2000000000000000 -0.8
 0.8000000000000000  0.3000000000000000
-0.9000000000000000 -0.3000000000000000