http://www.supermariobrosx.org/forums/v ... =35&t=1214
In them I gave proof for: "All sections are placed in the united space".
But I never made tests of the intercross of sections.
For made this test I made a dummy level with two crossed sections:

Here is a intercross of two sections:

Here you can get this level:
http://engine.wohlnet.ru/docs/_files_fo ... CROSSS.lvl
And my video about this test:








