public void Day4_P2Test()
{
var valid = File.ReadAllText("./Files/Day_4/Day4_Test_Valid.input").Split("\r\n\r\n");
var invalid = File.ReadAllText("./Files/Day_4/Day4_Test_Invalid.input").Split("\r\n\r\n");
Assert.AreEqual(4, DayFour.Day4_P2(valid));
Assert.AreEqual(0, DayFour.Day4_P2(invalid));
}