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diff --git a/users/wpcarro/assessments/brilliant/App.hs b/users/wpcarro/assessments/brilliant/App.hs
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+--------------------------------------------------------------------------------
+module App where
+--------------------------------------------------------------------------------
+import Keyboard (Keyboard(..))
+import Transforms (Transform(..))
+import Utils ((|>))
+
+import qualified Data.Char as Char
+import qualified Utils
+import qualified Data.List.Split as Split
+import qualified Keyboard
+import qualified Data.HashMap.Strict as HM
+--------------------------------------------------------------------------------
+
+transform :: Keyboard -> Transform -> Keyboard
+
+transform (Keyboard xs) xform =
+  case xform of
+    HorizontalFlip ->
+      xs
+      |> fmap reverse
+      |> Keyboard
+
+    VerticalFlip ->
+      xs
+      |> reverse
+      |> Keyboard
+
+    Shift n ->
+      xs
+      |> concat
+      |> Utils.rotate n
+      |> Split.chunksOf 10
+      |> Keyboard
+
+retypePassage :: String -> Keyboard -> Maybe String
+retypePassage passage newKeyboard =
+  passage
+  |> fmap Char.toUpper
+  |> traverse (\c -> HM.lookup c Keyboard.charToCoord)
+  >>= traverse (Keyboard.coordToChar newKeyboard)