Portal Test Chamber 12

This Test Chamber is the thirteenth level of the game, and combines the technique of Flinging with the activation of Buttons using Weighted Storage Cubes.

Hazards

 * Cube Hazard

Trapping yourself
It is possible to trap yourself but unfortunately GlaDOS will not spawn another cube and apologize.
 * Solve the test normally.
 * At the exit place a portal in the exit corridor, go back to the testing area.
 * Grab the cube and go to the nearest portal able surface in the test chamber.
 * Place your other portal.
 * Throw in the cube.
 * Place both portals inside the test chamber.
 * Congratulations, you are now trapped forever.