1  0
 2  0
 2  1
 3  0
 3  1
 3  2
 4  0
 4  1
 4  2
 4  3
Done!
Done!
 0  15
 0  13
 0  11
 1  15
 1  13
 1  11
 2  15
 2  13
 2  11
 3  15
 3  13
 3  11
Also done!
Edges
Edges
Edges
Middle
Middle
Center
Middle
Middle
Edges
Edges
Edges
 0
 1
 2
 3
 4
 5
Escaped infinite loop