diff --git a/gamemap.py b/gamemap.py
index e438d4a..7ee6f60 100644
--- a/gamemap.py
+++ b/gamemap.py
@@ -137,7 +137,8 @@ class GameMap(object):
     # p: player start (up to one per level)
     
     # regular expressions
-    matrixRegex = re.compile(r'([ \t]*([a-z][0-9]*)+(\n))+')
+    tileRegex = re.compile(r'([a-z ])([0-9]+|[ ])')
+    matrixRegex = re.compile(r'(?:[ \t]*(?:[a-z ](?:[0-9]+|[ ]))+(\n))+')
     
     def __init__(self, name, graph, matrix, dimensions):
         self.name = name
@@ -165,7 +166,8 @@ Entering a map through stdin will be obsolete once testing is over."""
                 with open(infile, 'r') as f:
                     data = f.read()
             except OSError as e:
-                print("The file could not be read. Falling back to stdin...")
+                print("The file could not be read.")
+                return None
         else:
             
             while tryToRead:
@@ -205,28 +207,36 @@ list of lists of tuples."""
         mat = [[]]
         x = 0
         y = 0
-        i = 0
         l = 0
-        while i < len(matrixStr):
-            if matrixStr[i].isalpha():
-                j = i+1
-                while j < len(matrixStr) and matrixStr[j].isdecimal():
-                    j += 1
-                if j == i+1: # no number
-                    mat[l].append((matrixStr[i], 0))
-                else:
-                    mat[l].append((matrixStr[i], int(matrixStr[i+1:j])))
-                i = j
-            elif matrixStr[i] == '\n':
+        while len(matrixStr) > 0:
+            tile = GameMap.tileRegex.match(matrixStr)
+            if tile != None:
+                tileType = tile.group(1)
+                tileNum = tile.group(2)
+                if tileType == ' ':
+                    tileType = 'e'
+                if tileNum == ' ':
+                    tileNum = '0'
+                mat[l].append((tileType, int(tileNum)))
+                #x += 1
+                matrixStr = matrixStr[len(tile.group()):]
+            elif matrixStr[0] == '\n':
                 if x == 0:
                     x = len(mat[l])
                 elif x != len(mat[l]):
-                    raise RuntimeError('Map matrix has jagged edges.')
+                    raise RuntimeError("Map matrix has jagged edges.")
                 l += 1
-                i += 1
+                #x = 0
                 mat.append([])
-            else: # assume it was a whitespace character.
-                i += 1
+                i = 1
+                while i < len(matrixStr) and matrixStr[i] in ' \t\n':
+                    i += 1
+                if i == len(matrixStr):
+                    matrixStr = ''
+                else:
+                    matrixStr = matrixStr[i:]
+            else: # This shouldn't happen, so if it does, there was an error.
+                raise RuntimeError("Unexpected token in map matrix: '{0}'".format(matrixStr))
         y = len(mat) - 1
         
         # Now for the graph
diff --git a/testing/test1.xml b/testing/test1.xml
index 32b549b..bf56fe4 100644
--- a/testing/test1.xml
+++ b/testing/test1.xml
@@ -1,33 +1,33 @@
 <map openingText="Floor 1 map loaded successfully. Normally, this would describe the environment." playerStart="5, 26">
     <layout>
-        w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0w0
-        w0w0w0w0e0e0e0e0e0e0e0e0e0w0e0w0e0w0e0w0e0w0e0e0e0e0e0e0w0w0
-        w0w0w0w0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0w0w0
-        w0w0e0e0e0e0w0w0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0w0w0w0e0e0w0w0
-        w0w0w0e0e0e0w0w0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0w0w0
-        w0e0e0e0w0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0w0w0
-        w0e0e0e0w0e0e0e0e0w0e0e0e0w0w0w0e0e0w0w0w0w0w0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0e0e0w0w0w0w0e0w0e0e0e0e0e0e0w0w0w0e0w0w0e0e0w0w0
-        w0w0w0w0w0w0w0w0w0w0e0e0e0w0e0e0e0e0e0e0w0w0w0e0w0w0e0e0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0e0e0w0e0e0w0e0w0e0e0w0w0e0e0e0e0w0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0w0e0w0e0e0w0w0e0e0e0e0w0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0e0e0w0e0e0e0e0e0e0e0e0w0w0e0e0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0w0w0w0w0w0w0w0w0w0w0w0w0e0e0w0w0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0w0w0w0w0e0e0e0e0e0e0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0w0e0e0e0e0e0e0e0e0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0w0e0e0w0w0e0e0w0w0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0w0w0e0e0w0w0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0w0w0w0w0w0w0e0e0w0w0e0e0e0e0w0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0w0w0w0w0w0w0e0e0e0e0w0e0e0e0e0w0
-        w0e0e0w0e0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0w0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0w0e0e0e0w0
-        w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0w0w0e0e0w0w0
-        w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
+        w                                                         w 
+        w w w w                   w   w   w   w   w             w w 
+        w w w w           w                                     w w 
+        w w         w w   w                         w w w w     w w 
+        w w w       w w   w                         w           w w 
+        w       w         w                         w           w w 
+        w       w         w       w w w     w w w w w             w 
+        w               w w w w   w             w w w   w w     w w 
+        w w w w w w w w w w       w             w w w   w w     w w 
+        w     w         w         w     w   w     w w         w w w 
+        w                         w     w   w     w w         w w w 
+        w     w         w         w                 w w           w 
+        w                     w w w w w w w w w w w w w     w w w w 
+        w     w         w     w             w w w w             w w 
+        w                     w             w w                 w w 
+        w     w         w     w             w                     w 
+        w                     w             w w     w w     w w w w 
+        w     w         w     w                     w w     w w w w 
+        w                     w     w w w w w w     w w         w w 
+        w     w         w     w                         w         w 
+        w                     w                         w         w 
+        w     w         w     w                         w         w 
+        w                     w     w w w w w w         w         w 
+        w     w         w     w                         w w       w 
+        w                     w                         w w       w 
+        w                     w                         w w     w w 
+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
     </layout>
     <exit id="1" location="5, 10" destination="testing/test2.xml" name="upstairs"/>
     <exit id="2" location="21, 23" destination="testing/test4.xml" name="downstairs"/>
diff --git a/testing/test2.xml b/testing/test2.xml
index b85b4e9..ad4eded 100644
--- a/testing/test2.xml
+++ b/testing/test2.xml
@@ -1,33 +1,33 @@
 <map openingText="Floor 2" playerStart="6, 10">
     <layout>
-        w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0w0w0w0w0w0x3e0e0w0e0e0e0e0e0w0e0e0e0e0e0e0w0e0w0w0w0w0w0w0
-        w0w0w0w0e0e0e0e0e0w0e0e0e0e0e0w0e0e0w0w0e0e0w0e0e0e0w0w0w0w0
-        w0w0w0w0e0e0e0e0e0w0e0e0e0e0e0w0e0e0w0w0e0e0e0e0e0e0e0e0w0w0
-        w0w0e0e0e0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0w0w0e0e0e0e0w0
-        w0w0e0e0e0e0e0e0e0e0e0e0e0e0e0w0w0w0e0e0w0w0w0w0w0e0e0e0e0w0
-        w0e0e0e0w0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0w0w0w0w0w0e0w0
-        w0e0e0e0w0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0w0w0w0w0w0e0w0
-        w0e0e0e0e0e0e0e0e0w0e0e0e0e0w0w0w0w0e0e0w0w0w0w0w0w0w0w0w0w0
-        w0w0w0w0w0w0w0w0w0w0e0e0e0w0w0w0e0e0e0e0e0e0w0w0e0e0w0w0w0w0
-        w0e0e0e0e0x1e0x2e0e0e0e0e0e0w0w0e0e0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0w0e0e0e0e0e0e0e0e0e0e0w0w0w0e0e0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0e0w0w0e0e0e0e0e0w0w0w0w0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0e0w0w0e0e0w0w0w0w0w0w0w0w0w0e0e0w0e0e0e0w0w0w0w0
-        w0w0w0w0w0e0w0w0w0e0e0w0w0w0w0w0w0w0e0e0e0e0w0w0e0x4e0e0e0w0
-        w0w0w0w0e0e0w0w0w0e0e0w0w0w0w0w0w0w0e0e0e0e0w0w0e0e0e0e0e0w0
-        w0e0e0e0e0w0w0w0w0w0e0w0e0e0w0e0e0e0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0e0e0e0e0w0w0w0w0w0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0w0w0w0w0w0w0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0w0w0w0w0w0e0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0e0e0e0e0e0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0e0e0e0e0e0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0w0w0w0w0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0w0w0w0w0e0e0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0e0e0e0e0e0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0e0e0e0e0e0w0e0e0e0w0e0e0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0e0e0e0e0e0e0w0e0e0e0w0w0w0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
-        w0w0w0w0w0w0w0w0w0w0w0w0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0e0
+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
+        w w w w w w x3    w           w             w   w w w w w w 
+        w w w w           w           w     w w     w       w w w w 
+        w w w w           w           w     w w                 w w 
+        w w                           w             w w w         w 
+        w w                           w w w     w w w w w         w 
+        w       w   w     w                           w w w w w   w 
+        w       w   w     w                           w w w w w   w 
+        w                 w         w w w w     w w w w w w w w w w 
+        w w w w w w w w w w       w w w             w w     w w w w 
+        w         x1  x2            w w             w             w 
+        w   w                     w w w             w             w 
+        w             w w           w w w w         w             w 
+        w             w w     w w w w w w w w w     w       w w w w 
+        w w w w w   w w w     w w w w w w w         w w   x4      w 
+        w w w w     w w w     w w w w w w w         w w           w 
+        w         w w w w w   w     w       w w w w w w w w w w w w 
+        w         w w w w w   w     w                               
+        w w w w w w w w       w     w                               
+        w w w w w w   w       w     w                               
+        w             w       w     w                               
+        w             w       w     w                               
+        w   w w w w                 w                               
+        w   w w w w           w     w                               
+        w             w       w     w                               
+        w             w       w     w                               
+        w             w       w w w w                               
+        w w w w w w w w w w w w                                     
     </layout>
     <exit id="1" location="5, 10" destination="testing/test1.xml" name="downstairs"/>
     <exit id="2" location="7, 10" destination="testing/test3.xml" name="upstairs"/>
diff --git a/testing/test3.xml b/testing/test3.xml
index 35f8536..43e4932 100644
--- a/testing/test3.xml
+++ b/testing/test3.xml
@@ -1,23 +1,23 @@
 <map openingText="Floor 3" playerStart="6, 10">
     <layout>
-        w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0e0e0e0e0e0x3e0e0e0w0w0w0w0e0w0w0w0w0w0w0w0w0e0w0w0w0w0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0e0w0w0e0w0e0e0e0e0e0e0w0e0e0e0w0w0w0w0
-        w0e0e0e0e0e0e0e0e0e0e0e0w0w0e0w0e0e0e0e0e0e0w0e0e0e0w0w0w0w0
-        w0w0w0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0w0w0e0e0e0e0e0e0e0w0w0w0
-        w0w0w0e0e0e0e0e0e0w0w0e0e0e0e0e0e0e0w0w0e0e0e0e0e0e0e0w0w0w0
-        w0w0w0w0w0w0w0w0w0w0e0e0e0e0e0w0e0e0e0e0e0w0w0e0e0e0e0e0e0w0
-        w0w0w0w0w0w0w0w0w0w0e0e0e0e0e0w0e0e0e0e0e0w0w0e0e0e0e0e0e0w0
-        w0w0w0w0w0e0e0e0w0w0w0w0e0e0e0w0e0e0w0w0w0w0w0w0e0e0e0e0e0w0
-        w0w0w0w0w0e0e0e0e0e0w0w0w0e0e0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0e0w0w0e0e0e0x2e0e0w0w0e0e0e0e0w0w0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0w0w0e0e0e0e0e0e0w0w0w0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0w0w0e0e0w0w0e0w0w0w0e0e0w0w0e0e0w0e0e0e0e0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0w0w0e0w0w0w0w0w0w0w0w0w0w0w0w0w0w0e0w0w0w0w0w0w0
-        w0w0w0w0e0e0e0e0w0w0w0w0e0e0e0e0e0e0e0e0e0e0w0e0e0x4e0e0e0w0
-        w0w0w0w0e0e0e0e0w0w0w0w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0e0e0e0e0e0w0w0w0w0w0w0e0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0w0
-        w0w0w0w0w0w0w0w0w0w0w0w0e0e0e0e0e0e0e0e0e0e0w0w0w0w0w0w0w0w0
+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
+        w           x3      w w w w   w w w w w w w w   w w w w w w 
+        w                       w w   w             w       w w w w 
+        w                       w w   w             w       w w w w 
+        w w w             w                 w w               w w w 
+        w w w             w w               w w               w w w 
+        w w w w w w w w w w           w           w w             w 
+        w w w w w w w w w w           w           w w             w 
+        w w w w w       w w w w       w     w w w w w w           w 
+        w w w w w           w w w     w w w w w w w w w w w w w w w 
+        w   w w       x2    w w         w w         w             w 
+        w   w w             w w w                   w             w 
+        w   w w     w w   w w w     w w     w                     w 
+        w           w w   w w w w w w w w w w w w w w   w w w w w w 
+        w w w w         w w w w                     w     x4      w 
+        w w w w         w w w w                     w             w 
+        w           w w w w w w                     w             w 
+        w w w w w w w w w w w w                     w w w w w w w w 
     </layout>
     <exit id="2" location="7, 10" destination="testing/test2.xml" name="downstairs"/>
     <exit id="3" location="6, 1" destination="testing/test2.xml" name="north"/>
diff --git a/testing/test4.xml b/testing/test4.xml
index 6acc507..81c5b38 100644
--- a/testing/test4.xml
+++ b/testing/test4.xml
@@ -1,33 +1,33 @@
 <map openingText="Basement" playerStart="22, 22">
     <layout>
-        w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0w0
-        w0w0w0w0w0w0w0w0e0w0w0w0w0w0w0w0w0w0w0w0e0e0e0e0e0e0e0e0e0w0
-        w0w0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0w0w0e0e0w0e0w0e0w0e0e0w0
-        w0w0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0w0w0w0e0w0e0w0e0w0e0e0w0
-        w0e0e0e0w0w0e0e0e0w0e0e0e0e0e0e0e0e0e0w0e0e0e0e0e0e0e0e0e0w0
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+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
+        w w w w w w w w   w w w w w w w w w w w                   w 
+        w w               w                 w w     w   w   w     w 
+        w w               w                 w w w   w   w   w     w 
+        w       w w       w                   w                   w 
+        w       w w       w w w     w w w w w w w w w w     w w w w 
+        w                                                         w 
+        w                                                         w 
+        w w w w     w w w w w w w w w w w w w w w w w w w w       w 
+        w                 w                               w       w 
+        w                 w                               w       w 
+        w   w w     w w   w                               w       w 
+        w                 w                               w       w 
+        w                 w                               w       w 
+        w                 w                               w       w 
+        w   w w     w w   w                               w       w 
+        w                 w       w w w     w w w         w       w 
+        w w w w w w w w w w       w w w     w w w         w     w w 
+        w                         w             w                 w 
+        w                         w             w                 w 
+        w                         w     w w     w                 w 
+        w                         w     w w     w                 w 
+        w                                       w     x2          w 
+        w                                       w                 w 
+        w                         w             w                 w 
+        w                         w         w   w                 w 
+        w                         w             w                 w 
+        w w w w w w w w w w w w w w w w w w w w w w w w w w w w w w 
     </layout>
     <exit id="2" location="23, 22" destination="testing/test1.xml" name="upstairs"/>
 </map>