diff --git a/AdventOfCode2018.Tests/Day06_Tests.cs b/AdventOfCode2018.Tests/Day06_Tests.cs
index e49faeb..de229a5 100644
--- a/AdventOfCode2018.Tests/Day06_Tests.cs
+++ b/AdventOfCode2018.Tests/Day06_Tests.cs
@@ -26,9 +26,9 @@ namespace AdventOfCode2018.Tests
         [TestMethod()]
         public void ResolvePart2__Test()
         {
-            Day06 day06 = new Day06();
+            Day06 day06 = new Day06 { DistanceThresold = 32, };
 
-            List<ChronoPoint> points = day06.InputsToPoints(new string[] {
+            string result = day06.ResolvePart2(new string[] {
                 "1, 1",
                 "1, 6",
                 "8, 3",
@@ -36,9 +36,8 @@ namespace AdventOfCode2018.Tests
                 "5, 5",
                 "8, 9",
             });
-            int result = day06.AreaInThresold(points, 32);
 
-            Assert.AreEqual(16, result);
+            Assert.AreEqual("16", result);
         }
     }
 }
\ No newline at end of file
diff --git a/AdventOfCode2018/Day06.cs b/AdventOfCode2018/Day06.cs
index b969a76..7885024 100644
--- a/AdventOfCode2018/Day06.cs
+++ b/AdventOfCode2018/Day06.cs
@@ -97,7 +97,7 @@ namespace AdventOfCode2018
 
     public class Day06 : IDay
     {
-        public List<ChronoPoint> InputsToPoints(string[] inputs)
+        private List<ChronoPoint> InputsToPoints(string[] inputs)
         {
             return inputs
                 .Where(input => string.IsNullOrEmpty(input) == false)
@@ -164,7 +164,7 @@ namespace AdventOfCode2018
             return maxArea.ToString();
         }
 
-        public int AreaInThresold(List<ChronoPoint> points, int distanceThresold)
+        private int AreaInThresold(List<ChronoPoint> points, int distanceThresold)
         {
             int minX = points.Min(p => p.X) - 1;
             int maxX = points.Max(p => p.X) + 1;
@@ -188,10 +188,12 @@ namespace AdventOfCode2018
             return areaInRange;
         }
 
+        public int DistanceThresold { get; set; } = 10000;
+
         public string ResolvePart2(string[] inputs)
         {
             List<ChronoPoint> points = InputsToPoints(inputs);
-            int areaInRange = AreaInThresold(points, 10000);
+            int areaInRange = AreaInThresold(points, DistanceThresold);
             return areaInRange.ToString();
         }
     }