diff --git a/brest/brest.magic b/brest/brest.magic
index e95684486..dc7506332 100644
--- a/brest/brest.magic
+++ b/brest/brest.magic
@@ -17,84 +17,84 @@ y 13
 end
 arch shop_empty
 end
-arch wall_2_2_2
+arch redcwall_2_2_2
 end
 arch shop_empty
 y 1
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 1
 end
 arch shop_empty
 y 2
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 2
 end
 arch shop_empty
 y 3
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 3
 end
 arch shop_empty
 y 4
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 4
 end
 arch shop_empty
 y 5
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 5
 end
 arch shop_empty
 y 6
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 6
 end
 arch shop_empty
 y 7
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 7
 end
 arch shop_empty
 y 8
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 8
 end
 arch shop_empty
 y 9
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 9
 end
 arch shop_empty
 y 10
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 10
 end
 arch shop_empty
 y 11
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 y 11
 end
 arch shop_empty
 y 12
 end
-arch wall_2_2_1
+arch redcwall_2_2_1
 y 12
 end
 arch shop_empty
 x 1
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 1
 end
 arch shop_scrolls
@@ -145,14 +145,14 @@ arch shop_empty
 x 1
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 1
 y 12
 end
 arch shop_empty
 x 2
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 2
 end
 arch shop_scrolls
@@ -203,14 +203,14 @@ arch shop_empty
 x 2
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 2
 y 12
 end
 arch shop_empty
 x 3
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 3
 end
 arch shop_scrolls
@@ -261,14 +261,14 @@ arch shop_empty
 x 3
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 3
 y 12
 end
 arch shop_empty
 x 4
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 4
 end
 arch shop_scrolls
@@ -319,14 +319,14 @@ arch shop_empty
 x 4
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 4
 y 12
 end
 arch shop_empty
 x 5
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 5
 end
 arch shop_scrolls
@@ -369,7 +369,7 @@ arch shop_empty
 x 5
 y 10
 end
-arch wall_2_2_2
+arch redcwall_2_2_2
 x 5
 y 10
 end
@@ -377,7 +377,7 @@ arch shop_empty
 x 5
 y 11
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 5
 y 11
 end
@@ -385,14 +385,14 @@ arch shop_empty
 x 5
 y 12
 end
-arch wall_3_1
+arch redcwall_3_1
 x 5
 y 12
 end
 arch shop_empty
 x 6
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 6
 end
 arch shop_scrolls
@@ -439,7 +439,7 @@ arch shop_empty
 x 6
 y 10
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 6
 y 10
 end
@@ -458,14 +458,14 @@ arch woodfloor
 x 6
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 6
 y 12
 end
 arch shop_empty
 x 7
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 7
 end
 arch shop_books
@@ -512,7 +512,7 @@ arch shop_empty
 x 7
 y 10
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 7
 y 10
 end
@@ -528,14 +528,14 @@ arch woodfloor
 x 7
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 7
 y 12
 end
 arch shop_empty
 x 8
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 8
 end
 arch shop_books
@@ -578,7 +578,7 @@ arch shop_empty
 x 8
 y 10
 end
-arch wall_2_2_3
+arch redcwall_2_2_3
 x 8
 y 10
 end
@@ -586,7 +586,7 @@ arch shop_empty
 x 8
 y 11
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 8
 y 11
 end
@@ -594,14 +594,14 @@ arch shop_empty
 x 8
 y 12
 end
-arch wall_3_1
+arch redcwall_3_1
 x 8
 y 12
 end
 arch shop_empty
 x 9
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 9
 end
 arch shop_books
@@ -652,14 +652,14 @@ arch shop_empty
 x 9
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 9
 y 12
 end
 arch shop_empty
 x 10
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 10
 end
 arch shop_books
@@ -710,14 +710,14 @@ arch shop_empty
 x 10
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 10
 y 12
 end
 arch shop_empty
 x 11
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 11
 end
 arch shop_books
@@ -768,14 +768,14 @@ arch shop_empty
 x 11
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 11
 y 12
 end
 arch shop_empty
 x 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 12
 end
 arch shop_books
@@ -826,21 +826,21 @@ arch shop_empty
 x 12
 y 12
 end
-arch wall_2_1_2
+arch redcwall_2_1_2
 x 12
 y 12
 end
 arch shop_empty
 x 13
 end
-arch wall_2_2_3
+arch redcwall_2_2_3
 x 13
 end
 arch shop_empty
 x 13
 y 1
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 1
 end
@@ -848,7 +848,7 @@ arch shop_empty
 x 13
 y 2
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 2
 end
@@ -856,7 +856,7 @@ arch shop_empty
 x 13
 y 3
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 3
 end
@@ -864,7 +864,7 @@ arch shop_empty
 x 13
 y 4
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 4
 end
@@ -872,7 +872,7 @@ arch shop_empty
 x 13
 y 5
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 5
 end
@@ -880,7 +880,7 @@ arch shop_empty
 x 13
 y 6
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 6
 end
@@ -888,7 +888,7 @@ arch shop_empty
 x 13
 y 7
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 7
 end
@@ -896,7 +896,7 @@ arch shop_empty
 x 13
 y 8
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 8
 end
@@ -904,7 +904,7 @@ arch shop_empty
 x 13
 y 9
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 9
 end
@@ -912,7 +912,7 @@ arch shop_empty
 x 13
 y 10
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 10
 end
@@ -920,7 +920,7 @@ arch shop_empty
 x 13
 y 11
 end
-arch wall_2_1_1
+arch redcwall_2_1_1
 x 13
 y 11
 end
@@ -928,7 +928,7 @@ arch shop_empty
 x 13
 y 12
 end
-arch wall_2_2_4
+arch redcwall_2_2_4
 x 13
 y 12
 end