@Test
public void testParity_Four_Anticlockwise() {

    Point3d[] coords = new Point3d[]{new Point3d(1.70, 0.98, -0.51), // -O
            new Point3d(0.26, -0.33, 0.95), // -C
            new Point3d(2.65, -0.83, 0.62), // -N
            new Point3d(1.21, -0.97, -0.89), // -H
    };
    assertThat(new Tetrahedral3DParity(coords).parity(), is(ANTICLOCKWISE));
}