+------------------+
|                  |
|                  |
|                  |
+-------+==+-------|
|                  |
|                  |
|                  |
+-------+==+-------+
|                  |
+                  +
:                  :
:                  :
+                  +
|                  |
+---+  +----+  +---+
|       +--+       |
|                  |
|                  |
+-------+::+-------+
palette purple
spawn spammer 3 3
colour purple 18 3
spawn drone 3 17
spawn drone 18 17
spawn spitter 10 11
spawn spitter 12 12
if 20
tile 10 5
tile 11 5
spawn drone 3 6
spawn drone 3 8
spawn spitter 5 7
else
tile 10 5 =
tile 11 5 =
fi
if 40
tile 10 9
tile 11 9
spawn drone 18 6
spawn drone 18 8
spawn spitter 16 7
else
tile 10 9 =
tile 11 9 =
fi
