diff --git a/test.txt b/test.txt
new file mode 100644
index 0000000..9e89355
--- /dev/null
+++ b/test.txt
@@ -0,0 +1,66 @@
+  io.write("Cube height? (top to bottom):")                                                                                                                  
+  local height = tonumber(io.read())                                                                                                                         
+                                                                                                                                                             
+  io.write("Cube width? (left to right):")                                                                                                                   
+  local width = tonumber(io.read())                                                                                                                          
+                                                                                                                                                             
+  io.write("Cube depth? (front to back):")                                                                                                                   
+  local depth = tonumber(io.read())                                                                                                                          
+                                                                                                                                                             
+  io.write("Dig direction? (up/down):")                                                                                                                      
+  local dir = io.read()                                                                                                                                      
+                                                                                                                                                             
+  local digVert, moveVert, digBack, moveBack                                                                                                                 
+  if dir == "up" then                                                                                                                                        
+    digVert = turtle.digUp                                                                                                                                   
+    moveVert = turtle.up                                                                                                                                     
+    digBack = turtle.digDown                                                                                                                                 
+    moveBack = turtle.down                                                                                                                                   
+  else                                                                                                                                                       
+    digVert = turtle.digDown                                                                                                                                 
+    moveVert = turtle.down                                                                                                                                   
+    digBack = turtle.digUp                                                                                                                                   
+    moveBack = turtle.up                                                                                                                                     
+  end                                                                                                                                                        
+                                                                                                                                                             
+  for d = 1, depth do                                                                                                                                        
+    turtle.refuel(1)                                                                                                                                         
+    turtle.turnLeft()                                                                                                                                        
+                                                                                                                                                             
+    local goingUp = true                                                                                                                                     
+                                                                                                                                                             
+    for w = 1, width do                                                                                                                                      
+      turtle.dig()                                                                                                                                           
+      turtle.forward()                                                                                                                                       
+                                                                                                                                                             
+      if goingUp then                                                                                                                                        
+        for h = 1, height - 1 do                                                                                                                             
+          digVert()                                                                                                                                          
+          moveVert()                                                                                                                                         
+        end                                                                                                                                                  
+      else                                                                                                                                                   
+        for h = 1, height - 1 do                                                                                                                             
+          digBack()                                                                                                                                          
+          moveBack()                                                                                                                                         
+        end                                                                                                                                                  
+      end                                                                                                                                                    
+                                                                                                                                                             
+      goingUp = not goingUp                                                                                                                                  
+    end                                                                                                                                                      
+                                                                                                                                                             
+    -- return to original height                                                                                                                             
+    if not goingUp then                                                                                                                                      
+      -- ended at top, come back down                                                                                                                        
+      for h = 1, height - 1 do                                                                                                                               
+        moveBack()                                                                                                                                           
+      end                                                                                                                                                    
+    end                                                                                                                                                      
+                                                                                                                                                             
+    -- face depth                                                                                                                                            
+    turtle.turnLeft()                                                                                                                                        
+                                                                                                                                                             
+    if d < depth then                                                                                                                                        
+      turtle.dig()                                                                                                                                           
+      turtle.forward()                                                                                                                                       
+    end                                                                                                                                                      
+  end
\ No newline at end of file