diff --git a/examples/the-dungeon-puzzlers-lament/maps/levels/ice_ice.tmx b/examples/the-dungeon-puzzlers-lament/maps/levels/ice_ice.tmx
index 7ff04986..332ecc02 100644
--- a/examples/the-dungeon-puzzlers-lament/maps/levels/ice_ice.tmx
+++ b/examples/the-dungeon-puzzlers-lament/maps/levels/ice_ice.tmx
@@ -10,10 +10,10 @@
   <data encoding="csv">
 0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,0,
-0,1,2,4,8,6,5,4,6,9,0,
-0,10,16,13,16,11,17,14,15,47,0,
-0,46,13,17,15,17,11,11,11,18,0,
-0,37,13,14,12,11,15,11,11,18,0,
+0,1,6,9,0,0,0,1,6,9,0,
+0,10,16,3221225500,9,0,1,1073741852,15,47,0,
+0,46,13,17,47,0,37,11,11,18,0,
+0,37,13,14,3221225500,7,1073741852,11,11,18,0,
 0,10,17,14,11,15,14,17,15,18,0,
 0,10,16,13,11,17,16,14,11,18,0,
 0,19,21,21,23,28,16,2147483676,26,27,0,