Object with a hole in it
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 200 200 200 200 200 200 0 0
0 0 200 200 200 200 200 200 0 0
0 0 200 200 0 200 200 200 0 0
0 0 200 200 0 200 200 200 0 0
0 0 200 200 200 200 200 200 0 0
0 0 200 200 200 200 200 200 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
Opening removes the hole
but breaks the object
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 200 200 200 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0