public void TestFactorEasy1()
{
Knot knot = new Knot(new List <int>()
{
-1, 2, -3, 1, -2, 3, -4, 5, -6, 4, -5, 6, -7, 8, -9, 10, -8, 7, -10, 9
});
int[] expected = new int[3] {
3, 3, 4
};
int[] factors = Knot.Factorize(knot);
bool isEqual = Enumerable.SequenceEqual(expected, factors);
Assert.AreEqual(true, isEqual);
}