diff --git a/pup_land/rainbow/Lv4/alter2 b/pup_land/rainbow/Lv4/alter2
index e26a81729..e9246a5c8 100644
--- a/pup_land/rainbow/Lv4/alter2
+++ b/pup_land/rainbow/Lv4/alter2
@@ -8,7 +8,7 @@ enter_x 1
 enter_y 15
 msg
 Created:  1996-07-16
-Modified: 2008-10-13 Rick Tanner
+Modified: 2011-12-21 Rick Tanner
 endmsg
 end
 arch pstone_1
@@ -421,6 +421,10 @@ arch pstone_1
 x 3
 y 9
 end
+arch swall_1_4_half
+x 3
+y 9
+end
 arch rough_wall_1_3
 x 3
 y 9
@@ -539,7 +543,7 @@ arch pstone_1
 x 4
 y 9
 end
-arch swall_1_4
+arch swall_2_1_2
 x 4
 y 9
 end
@@ -799,7 +803,7 @@ arch pstone_1
 x 6
 y 12
 end
-arch rough_wall_2_1_2
+arch rough_wall_3_3
 x 6
 y 12
 end
@@ -1068,7 +1072,7 @@ arch pstone_1
 x 8
 y 12
 end
-arch rough_wall_2_1_2
+arch rough_wall_3_3
 x 8
 y 12
 end
@@ -1524,7 +1528,7 @@ arch pstone_1
 x 12
 y 9
 end
-arch swall_1_3
+arch swall_2_1_2
 x 12
 y 9
 end
@@ -1638,6 +1642,10 @@ arch pstone_1
 x 13
 y 9
 end
+arch swall_1_3_half
+x 13
+y 9
+end
 arch rough_wall_1_4
 x 13
 y 9