Use Nextcloud hosting for Tymon's 2x2x2x1 images

Author: HactarCE

docs/puzzles/physical/1x2x2x2.md

@@ -1,7 +1,7 @@
 # Tymon's 2x2x2x1
 
 !!! info inline end "Tymon's 2x2x2x1"
-    ![Tymon's 2x2x2x1](https://cloud.hypercubing.xyz/assets/tymofro_phys_2x2x2x1.jpg)
+    ![Tymon's 2x2x2x1](https://cloud.hypercubing.xyz/assets/img/phys/tymofro/2x2x2x1.jpeg)
 
 
     **4D Shape:** Hypercuboid
@@ -22,7 +22,7 @@
 
 Legal moves of a layer include basic 2x2x2 90° twists, 180° twists in any plane which also rotate pieces in 4d axis, or a combination of both.
 
-![Tymon's 2x2x2x1 with one half exposed](/assets/images/2221phys_1.jpeg){width="50%"}
+![Tymon's 2x2x2x1 with one half exposed](https://cloud.hypercubing.xyz/assets/img/phys/tymofro/2x2x2x1_split.jpeg){width="50%"}
 
 ## Solving