public void BasicTest()
 {
     Assert.AreEqual(12, Kata.SequenceSum(2, 6, 2));
     Assert.AreEqual(15, Kata.SequenceSum(1, 5, 1));
     Assert.AreEqual(5, Kata.SequenceSum(1, 5, 3));
     Assert.AreEqual(45, Kata.SequenceSum(0, 15, 3));
     Assert.AreEqual(0, Kata.SequenceSum(16, 15, 3));
     Assert.AreEqual(26, Kata.SequenceSum(2, 24, 22));
     Assert.AreEqual(2, Kata.SequenceSum(2, 2, 2));
     Assert.AreEqual(2, Kata.SequenceSum(2, 2, 1));
     Assert.AreEqual(35, Kata.SequenceSum(1, 15, 3));
     Assert.AreEqual(0, Kata.SequenceSum(15, 1, 3));
 }