diff --git a/AdvendOfCode.Runner/Program.cs b/AdvendOfCode.Runner/Program.cs
index 149d813..a332657 100644
--- a/AdvendOfCode.Runner/Program.cs
+++ b/AdvendOfCode.Runner/Program.cs
@@ -7,9 +7,9 @@ InputReader inputReader = new()
     //IsDebug = true
 };
 
-//inputReader.SetInputByChallange(5);
+inputReader.SetInputByChallange(3);
 
-IChallange challange = new Day11(inputReader);
+IChallange challange = new Day03(inputReader);
 
 Console.WriteLine($"Part 1: {await challange.GetSolutionPart1()}");
 
diff --git a/AdventOfCode.Solutions/2023/Day 03/Day03.cs b/AdventOfCode.Solutions/2023/Day 03/Day03.cs
index 88aa503..a9bf1c3 100644
--- a/AdventOfCode.Solutions/2023/Day 03/Day03.cs	
+++ b/AdventOfCode.Solutions/2023/Day 03/Day03.cs	
@@ -19,27 +19,15 @@ namespace AdventOfCode.Solutions._2023
 
             public int Length => Section.Length;
 
-            public bool IsDigit() => Section.Length > 1;
+            public bool IsDigit() => Section.All(char.IsDigit);
 
             public bool IsPartSymbol() => !IsDigit();
-
-            public List<int> XRange => Enumerable.Range(X, Length).ToList();
-
-            public List<int> XRangeWithSpace => Enumerable.Range(X-1, Length+2).ToList();
-
-            public List<int> YRange => Enumerable.Range(Y - 1, 3).ToList();
-
-            public override string ToString()
-            {
-                return $"[{Y},{X}] {Section}";
-            }
         }
 
         public async Task<string> GetSolutionPart1()
         {
             List<PartNumber> parts = [];
             int row = 0;
-            int total = 0;
             await foreach (string line in _inputReader.ReadAsStringLine())
             {
                 row++;
@@ -49,73 +37,28 @@ namespace AdventOfCode.Solutions._2023
 
             List<Rectangle> numbers = parts.Where(p => p.IsDigit()).Select(number => new Rectangle(new Point(number.X - 1, number.Y - 1), new Point(number.X + number.Length, number.Y + 1), number.Section)).ToList();
             List<Point> symbols = parts.Where(p => p.IsPartSymbol()).Select(symbol => new Point(symbol.X, symbol.Y,  symbol.Section)).ToList();
-
             return numbers.Where(number => symbols.Any(s => number.Intersect(s))).Select(num => int.Parse(num.Value)).Sum().ToString();
-
-            //foreach(PartNumber number in numbers)
-            //{ 
-            //    var yfilter = symbols.Where(symbol => number.YRange.Contains(symbol.Y));
-            //    var xfilter = yfilter.Where(symbol => number.XRangeWithSpace.Intersect(symbol.XRange).Any());
-            //    bool isPartNumber = xfilter.Any();
-            //    if(isPartNumber)
-            //    {
-            //        Console.WriteLine("Adding " + number.ToString());
-            //        total += int.Parse(number.Section);
-            //        Console.WriteLine("Total: " + total.ToString());
-            //    }
-            //}
-
-            //Grid<Node> grid = await _inputReader.ReadToGrid<Node>();
-            //int row = 0;
-            //
-            //await foreach(string line in _inputReader.ReadAsStringLine())
-            //{
-            //    MatchCollection matchCollection = FindDigits().Matches(line);
-            //    
-            //    foreach (Match match in matchCollection.Cast<Match>())
-            //    {
-            //        var section = grid.GetSection(match.Index - 1, row - 1, match.Index + match.Length, row + 1).ToList();
-            //        bool isPartNumber = section.Any(n => !(n.Char == '.' || (n.Char >= '0' && n.Char <= '9')));
-            //        if (isPartNumber) {
-            //            total += int.Parse(match.Value);
-            //        }
-            //    }
-            //
-            //    row++;
-            //}
-
-            return total.ToString();
         }
 
         public async Task<string> GetSolutionPart2()
         {
             List<PartNumber> parts = [];
             int row = 0;
-            int total = 0;
             await foreach (string line in _inputReader.ReadAsStringLine())
             {
-                MatchCollection matchCollection = FindPartItems().Matches(line);
-                parts.AddRange(matchCollection.Select(match => new PartNumber { X = match.Index, Y = row, Section = match.Value }));
                 row++;
+                MatchCollection matchCollection = FindPartItems().Matches(line);
+                parts.AddRange(matchCollection.Select(match => new PartNumber { X = match.Index + 1, Y = row, Section = match.Value }));
             }
 
-            List<PartNumber> numbers = parts.Where(p => p.IsDigit()).ToList();
-            List<PartNumber> gears = parts.Where(p => p.IsPartSymbol() && p.Section == "*").ToList();
+            List<Rectangle> numbers = parts.Where(p => p.IsDigit()).Select(number => new Rectangle(new Point(number.X - 1, number.Y - 1), new Point(number.X + number.Length, number.Y + 1), number.Section)).ToList();
+            List<Point> gears = parts.Where(p => p.IsPartSymbol() && p.Section == "*").Select(symbol => new Point(symbol.X, symbol.Y,  symbol.Section)).ToList();
 
-            foreach (PartNumber gear in gears)
-            {
-                // check if there are 2 numbers around
-                //List<PartNumber> ratios = GetSection(numbers, gear).ToList();
-
-                //if (ratios.Count != 2)
-                //    continue;
-
-                //int totalRatio = int.Parse(ratios[0].Section) * int.Parse(ratios[1].Section);
-
-                //total += totalRatio;
-            }
-
-            return total.ToString();
+            return gears.Select(g => numbers.Where(n => n.Intersect(g)))
+                .Where(n => n.Count() == 2)
+                .Select(num => int.Parse(num.First().Value) * int.Parse(num.Last().Value))
+                .Sum()
+                .ToString();
         }
 
         [GeneratedRegex("(\\d+)", RegexOptions.Compiled)]
diff --git a/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj b/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
index abf309d..a83b1d1 100644
--- a/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
+++ b/AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
@@ -12,6 +12,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Update="2023\Day 12\Day12.cs">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Compile>
     <Compile Update="2023\Day 11\Day11.cs">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Compile>
diff --git a/AdventOfCode.Solutions/day-00-input.txt b/AdventOfCode.Solutions/day-00-input.txt
index a0bda53..c5bec3a 100644
--- a/AdventOfCode.Solutions/day-00-input.txt
+++ b/AdventOfCode.Solutions/day-00-input.txt
@@ -1,10 +1,6 @@
-...#......
-.......#..
-#.........
-..........
-......#...
-.#........
-.........#
-..........
-.......#..
-#...#.....
\ No newline at end of file
+???.### 1,1,3
+.??..??...?##. 1,1,3
+?#?#?#?#?#?#?#? 1,3,1,6
+????.#...#... 4,1,1
+????.######..#####. 1,6,5
+?###???????? 3,2,1
\ No newline at end of file