diff --git a/day18.hs b/day18.hs
new file mode 100644
index 0000000..bfeac5e
--- /dev/null
+++ b/day18.hs
@@ -0,0 +1,140 @@
+import Data.List.Split
+import Data.List.Unique
+import Data.Char as Char
+import Data.List as List
+import Data.Either as Either
+import Debug.Trace as Trace
+import Data.Maybe
+
+main = do
+    mapIn <-  lines <$> getContents
+    --let brain = Amplifier software 0 0 [] [0]
+    --let robot = Robot mapIn [((5,1),64)] (5,1) 1
+    --let resultRobots = (runRobot robot )
+    --let reachablePoints = getNextKey resultRobots
+    --let nextKey = head (sortBy sortLength reachablePoints) 
+    --let newMap = openGate mapIn nextKey
+    let result = getAllKeys mapIn (15,1) []
+    --let aRobotLength = List.minimum( map (length . points) $ aRobots)
+    --let aRobotWin = filter(\(Robot brain points position direction) -> length points == aRobotLength) aRobots 
+    --let winRobots = filter(\(Robot br pts pos dir) -> elem 2 (map(\(p,c) -> c) pts))resultRobots
+    --let winRobotsLength = map(\(Robot br pts pos dir) -> length (filter(\(p,c) -> c == 1)pts))winRobots
+    --let winRobot = (map(\(Robot br pts pos dir) -> Robot br [] pos 1) winRobots) !! 0
+    --let part2Robots = (runRobot winRobot)
+    --let part2Length = map(\(Robot br pts pos dir) -> length (filter(\(p,c) -> c == 1)pts))part2Robots
+    --putStrLn(show winRobotsLength)
+    --putStrLn(show $ List.maximum( part2Length))
+    mapM putStrLn(map show mapIn)
+    putStrLn(show result)
+    
+    --putStrLn(printKey nextKey)
+    --mapM putStrLn(map show resultRobots)
+
+data Robot = Robot{ brain:: [[Char]]
+                    ,points:: [((Int,Int),Int)]
+                    ,position:: (Int,Int)
+                    ,direction :: Int
+                    } deriving Show
+
+data Key = Key { id :: Int,
+                 pos :: (Int,Int),
+                 way :: Int
+               } deriving (Show, Eq)
+
+getAllKeys :: [[Char]] -> (Int,Int) -> [Key] -> [[Key]]
+getAllKeys mapIn (a,b) keys = do
+        let robot = Robot (Trace.traceShowId(mapIn)) [((a,b),64)] (a,b) 1
+        let resultRobots = (runRobot robot )
+        let reachablKeys = (Trace.traceShowId(getNextKey (resultRobots)))
+        if length reachablKeys /= 0
+           then do
+               let nextKey = head (sortBy sortLength reachablKeys)
+               let newMap = openGate mapIn (Trace.traceShowId(nextKey))
+               let newKeys = nextKey:keys
+               getAllKeys newMap (pos nextKey) newKeys
+           else keys
+        
+
+sortLength :: Key -> Key -> Ordering
+sortLength (Key _ _ way1) (Key _ _ way2) 
+	| way1 == way2 = EQ
+        | way1 < way2 = LT
+        | way1 > way2 = GT
+
+openGate :: [[Char]] -> Key -> [[Char]]
+openGate mapIn (Key id (a,b) _) = result
+        where result' = map( map(\c -> if c==(chr id) then '.' else c)) mapIn 
+	      result = map( map(\c -> if c==(chr (id-32)) then '.' else c)) result'
+
+printKey :: Key -> [Char]
+printKey (Key id pos way) = (show id)++" :"++(show pos)++(show way)
+
+getBrain :: Robot -> [[Char]]
+getBrain (Robot brain points poisition direction)  = brain
+
+
+getNextKey :: [Robot] -> [Key]
+getNextKey robots = nub minPts
+          where kPts = map(\(Robot brain points position direction) ->(Key (snd(last points)) (fst(last points)) (length points))) robots
+                minPts = map(\(Key id pos way) ->(Key id pos (min id))) keyWPr 
+                min x = List.minimum  $ map(\(Key id pos way) -> way) $ filter(\(Key id pos way) -> id == x) keyWPr
+                keys = filter(\(Key id pos way) -> id /= 46 && id /= 64 && between 97 id 122) kPts
+                keyWPr = keys 
+                
+
+runRobot :: Robot -> [Robot]
+runRobot robot 
+  | (length move) == 0 = [robot]
+  | (length move) == 1 = do
+          let newRobot = stepRobot robot $ move!!0
+          runRobot newRobot 
+  | otherwise = do
+               let newRobots = map(\mv -> stepRobot robot mv) move
+               foldl (++) [] $ map(\robot ->  runRobot robot) newRobots
+  where move = getNextMove robot  
+
+stepRobot :: Robot -> Int -> Robot 
+stepRobot (Robot brain points position direction) newDirection = do
+        let newPos = move position newDirection 
+        let statusResponse = ord ((brain!! (snd newPos))!! (fst newPos)) 
+        let newPoints = (points) ++ [(newPos,  statusResponse)]
+        if statusResponse == 35 || between 65 statusResponse 90 || between 97 statusResponse 122
+          then Robot brain newPoints position newDirection
+          else Robot brain newPoints newPos newDirection
+
+between :: Int -> Int -> Int -> Bool
+between x y z 
+  |x <= y = y <= z
+  |otherwise = False
+
+move :: (Int,Int) -> Int -> (Int,Int)
+move (x,y) direction 
+               | direction == 1 = (x,y-1)
+               | direction == 2 = (x+1,y)
+               | direction == 3 = (x,y+1)
+               | direction == 4 = (x-1,y)
+
+getNextMove :: Robot -> [Int]
+getNextMove (Robot brain points position direction) 
+            |length points > 0 && (snd $ last points) == 2 = [] 
+            |otherwise = do
+                    filterMoves (Robot brain points position direction) [1,2,3,4]
+                                        
+filterMoves :: Robot -> [Int] -> [Int] 
+filterMoves robot moves = filter(\x -> checkVisit robot x && checkWall robot x) moves
+
+checkVisit :: Robot -> Int -> Bool
+checkVisit (Robot brain points position direction) mv = do
+        let newPos = move position mv
+        let visits = map(\(pos,c) -> pos) points
+        notElem newPos visits
+
+checkWall :: Robot -> Int -> Bool
+checkWall (Robot brain points position direction) mv = do
+        let newPos = (move position mv)
+	let mvResult = ( ord ((brain!! (snd newPos))!! (fst newPos)))
+        not (mvResult == 35 ) 
+        
+getList :: String -> [Int]
+getList = map Prelude.read . splitOn ","
+