Started day 11 with template and pseudo code

AdventOfCode/_2023/Day11.cs

@@ -0,0 +1,71 @@
+using AdventOfCode.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace AdventOfCode._2023
+{
+    public class Day11 : AOCDay
+    {
+       
+        protected override AOCResponse ExecutePartA()
+        {
+           
+            return this._response;
+        }
+
+        protected override AOCResponse ExecutePartB()
+        {
+           
+            return this._response;
+        }
+    }
+
+    class UniverseGalaxy
+    {
+        private string[,] _board;
+        public UniverseGalaxy(List<string> input)
+        {
+            var rows = input.Count;
+            var columns = input.First().Length;
+            _board = new string[rows, columns];
+
+            for (int y = 0; y < rows; y++)
+            {
+                for (int x = 0; x < columns; x++)
+                {
+                    _board[x, y] = input[x][y].ToString();
+                }
+            }
+
+            //TODO Double the board
+
+            //TODO Find all the galaxies on the board
+
+            //TODO Calculate the distance between all of the galaxies
+
+            //TODO Find the shortest distance between them!
+        }
+    }
+
+    class Galaxy
+    {
+        public Dictionary<string, long> DistanceLookup { get; set; }
+        public string Id { get; set; }
+        public int X { get; set; }
+        public int Y { get; set; }
+
+        public void CalculateDistance(IEnumerable<Galaxy> galaxies)
+        {
+            DistanceLookup = new Dictionary<string, long>();
+            foreach (var galaxy in galaxies)
+            {
+                if (galaxy.Id.Equals(this.Id)) continue;
+
+                long distanceBetweenGalaxies = -1; //TODO need to calculate this? some math.min and math.max
+                DistanceLookup[galaxy.Id] = distanceBetweenGalaxies;
+            }
+        }
+    }
+}