diff --git a/dotscape b/dotscape
index bcc024b..a7fc07a 100755
Binary files a/dotscape and b/dotscape differ
diff --git a/fcore/parser/parse-grid.sml b/fcore/parser/parse-grid.sml
index 4eae661..b49d974 100644
--- a/fcore/parser/parse-grid.sml
+++ b/fcore/parser/parse-grid.sml
@@ -11,7 +11,7 @@ struct
 
   local
     fun loopY (yAxis, x, ex, y, ey, colour) =
-      if y > ey then
+      if y > ey orelse y >= Vector.length yAxis then
         yAxis
       else
         let val yAxis = Vector.update (yAxis, y, colour)
@@ -19,7 +19,7 @@ struct
         end
 
     fun loopX (grid, x, ex, y, ey, colour) =
-      if x > ex then
+      if x > ex orelse x >= Vector.length grid then
         grid
       else
         let
diff --git a/green.dsc b/green.dsc
index 9ea7afb..05c34d3 100644
--- a/green.dsc
+++ b/green.dsc
@@ -1 +1 @@
-4 4 { {0 1 0 1 0 0 0 1 } {1 2 1 2 0 0 0 1 } }
+4 4 { {0 0 1 0 0 0 0 1 } {1 0 1 1 0 0 0 1 } {2 1 2 4 0 0 0 1 } {2 3 3 4 0 0 0 1 } }
\ No newline at end of file