public static void TestGetPermutation()
{
int[] factors = PermutationEnumerator.GetFactors(4);
int[] result = PermutationEnumerator.GetPermutation(4, 21, factors);
Log.Debug(".testGetPermutation result=" + result.Render());
Assert.IsTrue(Collections.AreEqual(result, new[] { 3, 1, 2, 0 }));
}
