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Key         ALT
error          ER
with local       NATIVE

[Fact]
public void ToughCut()
{
    var cutter = new Ring(new Element(new Point(130.783333333333, 199.310477598184)), new Element(new Point(127.38497431913, 199.310477598184), new Point(124.073849393798, 198.234627893256), new Point(121.32451919832, 196.237122582712)), new Element(new Point(118.575189002842, 194.239617272168), new Point(116.528801257989, 191.423006177879), new Point(115.478650569613, 188.190974692711)), new Element(new Point(114.428499881237, 184.958943207542), new Point(114.428499881237, 181.477420428821), new Point(115.478650569613, 178.245388943653)), new Element(new Point(116.528801257989, 175.013357458484), new Point(118.575189002842, 172.196746364196), new Point(121.32451919832, 170.199241053652)), new Element(new Point(124.073849393798, 168.201735743108), new Point(127.38497431913, 167.12588603818), new Point(130.783333333333, 167.12588603818)), new Element(new Point(131.219696969697, 167.12588603818)), new Element(new Point(134.6180559839, 167.12588603818), new Point(137.929180909233, 168.201735743108), new Point(140.678511104711, 170.199241053652)), new Element(new Point(143.427841300188, 172.196746364196), new Point(145.474229045041, 175.013357458484), new Point(146.524379733417, 178.245388943653)), new Element(new Point(147.574530421793, 181.477420428821), new Point(147.574530421793, 184.958943207542), new Point(146.524379733417, 188.190974692711)), new Element(new Point(145.474229045041, 191.423006177879), new Point(143.427841300188, 194.239617272168), new Point(140.678511104711, 196.237122582712)), new Element(new Point(137.929180909233, 198.234627893256), new Point(134.6180559839, 199.310477598184), new Point(131.219696969697, 199.310477598184)));
    var shape = new Shape(new Ring(new Element(new Point(12.7754813116188, -33.4128419451628), new Point(19.5223174580931, -29.9751572249652)), new Element(new Point(179.975157224965, 130.477682541907), new Point(183.412841945163, 137.224518688381)), new Element(new Point(185.725341896497, 151.825068758803), new Point(184.540796469908, 159.303994240127)), new Element(new Point(177.829660223277, 172.475340741641), new Point(172.475340741641, 177.829660223277)), new Element(new Point(159.303994240127, 184.540796469908), new Point(151.825068758803, 185.725341896497)), new Element(new Point(147.413657866616, 184.927395588484)), new Element(new Point(146.852379570287, 182.353400030402)), new Element(new Point(146.522877591701, 179.583755006682)), new Element(new Point(145.383023854803, 176.075645925844), new Point(144.229050444769, 174.093123340167)), new Element(new Point(141.746213714654, 171.399140511575)), new Element(new Point(139.217451805972, 169.454756076673), new Point(138.114716791943, 168.838299011114)), new Element(new Point(136.430867679513, 168.027334481522)), new Element(new Point(133.339495787831, 167.287179375534)), new Element(new Point(131.869596806395, 167.12588603818)), new Element(new Point(126.328777433712, 167.1807243084), new Point(125.140927792807, 167.390174249117)), new Element(new Point(120.57800049798, 170.108706697922)), new Element(new Point(-30.046677867818, 19.3819502930698), new Point(-33.4128419451628, 12.7754813116189)), new Element(new Point(-35.7253418964969, -1.82506875880269), new Point(-34.5407964699084, -9.30399424012683)), new Element(new Point(-27.8296602232773, -22.4753407416414), new Point(-22.4753407416414, -27.8296602232773)), new Element(new Point(-9.30399424012684, -34.5407964699084), new Point(-1.8250687588027, -35.7253418964969), new Point(5.47520627640808, -34.5690919208298))));

    var result = shape.Cut(cutter, 0.1);
    Assert.Single(result.Shapes);
}