x1 x2
-2 2
-2 -2
2 0.373962
-2 1.0655748
-1.0161524 1.9341284
-2 -0.4780136
-1.6353992 -1.385242
-0.35733 -1.0241324
1.6951976 1.2082016
-1.355196 0.2547852
2 -2
0.796174 -0.2088092
2 2
0.1849636 2
0.4598248 -2
-0.2176604 0.8346572
1.3505016 -1.6005608
-0.8515908 -2
1.0808884 1.7686084
2 -0.8367972