diff --git a/ce3/src/main/scala/ctbartoz/CT101.scala b/ce3/src/main/scala/ctbartoz/CT101.scala
index a50108dd..da6626c0 100644
--- a/ce3/src/main/scala/ctbartoz/CT101.scala
+++ b/ce3/src/main/scala/ctbartoz/CT101.scala
@@ -16,26 +16,26 @@ import cats.implicits.toTraverseOps
 object CT101 extends App {
 
   /** https://www.youtube.com/playlist?list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_
-    * 1.1 https://www.youtube.com/watch?v=I8LbkfSSR58&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=1
-    * 1.2 https://www.youtube.com/watch?v=p54Hd7AmVFU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=2
-    * 2.1 https://www.youtube.com/watch?v=O2lZkr-aAqk&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=3
-    * 2.2 https://www.youtube.com/watch?v=NcT7CGPICzo&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=4
-    * 3.1 https://www.youtube.com/watch?v=aZjhqkD6k6w&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=5
-    * 3.2 https://www.youtube.com/watch?v=i9CU4CuHADQ&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=6
-    * 4.1 https://www.youtube.com/watch?v=zer1aFgj4aU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=7
-    * 4.2 https://www.youtube.com/watch?v=Bsdl_NKbNnU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=8
-    * 5.1 https://www.youtube.com/watch?v=LkIRsNj9T-8&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=10
-    * 5.2 https://www.youtube.com/watch?v=w1WMykh7AxA&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=10
-    * 6.1 https://www.youtube.com/watch?v=FyoQjkwsy7o&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=11
-    * 6.2 https://www.youtube.com/watch?v=EO86S2EZssc&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=12
-    * 7.1 https://www.youtube.com/watch?v=pUQ0mmbIdxs&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=13
-    * 7.2 https://www.youtube.com/watch?v=wtIKd8AhJOc&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=14
-    * 8.1 https://www.youtube.com/watch?v=REqRzMI26Nw&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=15
-    * 8.2 https://www.youtube.com/watch?v=iXZR1v3YN-8&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=16
-    * 9.1
-    * 9.2
-    * 10.1
-    * 10.2
+    * 1.1  https://www.youtube.com/watch?v=I8LbkfSSR58&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=1
+    * 1.2  https://www.youtube.com/watch?v=p54Hd7AmVFU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=2
+    * 2.1  https://www.youtube.com/watch?v=O2lZkr-aAqk&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=3
+    * 2.2  https://www.youtube.com/watch?v=NcT7CGPICzo&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=4
+    * 3.1  https://www.youtube.com/watch?v=aZjhqkD6k6w&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=5
+    * 3.2  https://www.youtube.com/watch?v=i9CU4CuHADQ&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=6
+    * 4.1  https://www.youtube.com/watch?v=zer1aFgj4aU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=7
+    * 4.2  https://www.youtube.com/watch?v=Bsdl_NKbNnU&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=8
+    * 5.1  https://www.youtube.com/watch?v=LkIRsNj9T-8&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=10
+    * 5.2  https://www.youtube.com/watch?v=w1WMykh7AxA&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=10
+    * 6.1  https://www.youtube.com/watch?v=FyoQjkwsy7o&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=11
+    * 6.2  https://www.youtube.com/watch?v=EO86S2EZssc&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=12
+    * 7.1  https://www.youtube.com/watch?v=pUQ0mmbIdxs&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=13
+    * 7.2  https://www.youtube.com/watch?v=wtIKd8AhJOc&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=14
+    * 8.1  https://www.youtube.com/watch?v=REqRzMI26Nw&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=15
+    * 8.2  https://www.youtube.com/watch?v=iXZR1v3YN-8&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=16
+    * - 9.1  https://www.youtube.com/watch?v=2LJC-XD5Ffo&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=17
+    * - 9.2  https://www.youtube.com/watch?v=wrpxBXXgLCI&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=18
+    * - 10.1 https://www.youtube.com/watch?v=gHiyzctYqZ0&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=19
+    * - 10.2 https://www.youtube.com/watch?v=GmgoPd7VQ9Q&list=PLbgaMIhjbmEnaH_LTkxLI7FMa2HsnawM_&index=20
     */
 
   class Associativity[A, B, C, D](
@@ -112,7 +112,7 @@ object CT101 extends App {
 
     val comb3: Int => Double = (f _).map(post)
 
-    val pf: Profunctor.Ops[Function, Int, Float] { type TypeClassType = Profunctor[Function] } = toProfunctorOps(f)
+    val pf = toProfunctorOps(f _)
 
     type ToString[A] = A => String