diff --git a/db.hs b/db.hs
index 573e87084..605bb3564 100755
--- a/db.hs
+++ b/db.hs
@@ -18,6 +18,8 @@ import System.Console.GetOpt
 import System.Exit (exitWith, ExitCode(..))
 import System.IO (hPutStrLn, stderr)
 
+import qualified Data.ByteString as BS
+
 import Data.Time
 
 
@@ -46,6 +48,12 @@ main = do
       hPutStrLn stderr $ usageInfo "db.hs" argsDescr
       exitWith $ ExitFailure 2
 
+insertFile :: FilePath -> DB FileId
+insertFile fileTitle = do
+  fileContent <- liftIO $ Just <$> BS.readFile ("testdata/" <> fileTitle)
+  fileModified <- liftIO getCurrentTime
+  insert File{..}
+
 fillDb :: DB ()
 fillDb = do
   AppSettings{ appUserDefaults = UserDefaultConf{..}, .. } <- getsYesod appSettings
@@ -233,10 +241,10 @@ fillDb = do
     , courseDescription = Nothing
     , courseLinkExternal = Nothing
     , courseShorthand = "ProMo"
-    , courseTerm = TermKey summer2017
+    , courseTerm = TermKey summer2018
     , courseSchool = ifi
     , courseCapacity = Just 50
-    , courseRegisterFrom = Nothing
+    , courseRegisterFrom = Just now
     , courseRegisterTo = Nothing
     , courseDeregisterUntil = Nothing
     , courseRegisterSecret  = Nothing
@@ -245,6 +253,28 @@ fillDb = do
   insert_ $ CourseEdit jost now pmo
   void . insert $ DegreeCourse pmo sdBsc sdInf
   void . insert $ Lecturer jost pmo
+  sh1 <- insert Sheet
+    { sheetCourse = pmo
+    , sheetName = "Blatt 1"
+    , sheetDescription = Nothing
+    , sheetType = Normal 6
+    , sheetGrouping = Arbitrary 3
+    , sheetMarkingText = Nothing
+    , sheetVisibleFrom = Just now
+    , sheetActiveFrom = now
+    , sheetActiveTo = (14 * nominalDay) `addUTCTime` now 
+    , sheetHintFrom = Nothing
+    , sheetSolutionFrom = Nothing
+    }
+  void . insert $ SheetEdit jost now sh1
+  void . insert $ SheetCorrector jost sh1 (Load (Just True) 0)
+  void . insert $ SheetCorrector gkleen sh1 (Load (Just True) 1)
+  h102 <- insertFile "H10-2.hs"
+  h103 <- insertFile "H10-3.hs"
+  pdf10 <- insertFile "ProMo_Uebung10.pdf"
+  void . insert $ SheetFile sh1 h102 SheetHint
+  void . insert $ SheetFile sh1 h103 SheetSolution
+  void . insert $ SheetFile sh1 pdf10 SheetExercise
   -- datenbanksysteme
   dbs <- insert Course
     { courseName = "Datenbanksysteme"
diff --git a/testdata/H10-2.hs b/testdata/H10-2.hs
new file mode 100644
index 000000000..27c8978e7
--- /dev/null
+++ b/testdata/H10-2.hs
@@ -0,0 +1,25 @@
+{- Übung H10-2 zur Vorlesung "Programmierung und Modellierung"
+   Lehrstuhl für theoretische Informatik, LMU München
+   Steffen Jost, Leah Neukirchen
+-}
+
+import Control.Monad
+
+chainAction1 :: Monad m => a -> [(a -> m a)] -> m a
+chainAction1 = undefined -- !!! TODO !!!
+    
+chainAction2 :: Monad m => a -> [(a -> m a)] -> m a
+chainAction2 = undefined -- !!! TODO !!!
+
+chainAction3 :: Monad m => a-> [(a -> m a)] -> m a
+chainAction3 = undefined -- !!! TODO !!!
+
+
+tellOp :: (Show a, Show b) => (a -> b) -> a -> IO b
+tellOp f x = let fx = f x in do
+  putStrLn $ (show x) ++ " -> " ++ (show fx)
+  return fx
+  
+test1 :: [Int -> IO Int]  
+test1 = map tellOp [(*3),(+1),(`mod` 7),(+5),(*2)]
+  
diff --git a/testdata/H10-3.hs b/testdata/H10-3.hs
new file mode 100644
index 000000000..33a8bd2f3
--- /dev/null
+++ b/testdata/H10-3.hs
@@ -0,0 +1,84 @@
+{-  Übung H10-3 zur Vorlesung "Programmierung und Modellierung"
+    Lehrstuhl für theoretische Informatik, LMU München
+    Steffen Jost, Leah Neukirchen
+
+    Bitte nur die Zeilen mit
+      error "TODO" -- TODO: Ihre Aufgabe !!!
+    bearbeiten.
+    (Sie dürfen an diesen Stellen auch beliebig
+    viele neue Zeilen einfügen.)
+
+    Entweder mit ghc kompilieren und ausführen oder
+    einfach in ghci laden und main auswerten.
+-}
+
+
+import Control.Monad.Trans.State
+
+type Wetter = String
+data Welt = Welt { zeit :: Int, wetter :: Wetter }
+  deriving Show
+
+main =
+  let startState = Welt { zeit=0, wetter="Regen" }
+      (result,finalState) = runState actions startState
+  in do
+    putStrLn "Zustand Welt bei Start ist: "
+    print startState
+    putStrLn "Zustand Welt bei Ende ist: "
+    print finalState
+    putStrLn "Ergebnis der Aktion ist: "
+    print result
+
+
+actions :: State Welt [(String,Int)]
+actions = do
+  tick
+  tick
+  tick
+  tick
+  wetter1 <- swapWetter "Sonne"
+  zeit1 <- gets zeit
+  let r1 = (wetter1, zeit1)
+  tick
+  tick
+  wetter2 <- swapWetter "Sturm"
+  zeit2 <- zeit <$> get
+  let r2 = (wetter2, zeit2)
+  tick
+  return [r1,r2]
+
+
+--- !!! NUR AB HIER BEARBEITEN !!!
+
+
+
+tick :: State Welt ()
+tick =
+  error "TODO: tick noch nicht implementiert!" -- TODO: Ihre Aufgabe !!!
+
+
+
+
+swapWetter :: Wetter -> State Welt Wetter
+swapWetter =
+  error "TODO: swapWetter noch nicht implementiert!" -- TODO: Ihre Aufgabe !!!
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/testdata/ProMo_Uebung10.pdf b/testdata/ProMo_Uebung10.pdf
new file mode 100644
index 000000000..f00811232
Binary files /dev/null and b/testdata/ProMo_Uebung10.pdf differ