Ou this is a problem. Laboratory is going to explode and you are in. So quick, run and escape.
If you want to survive you have to reach the exit in ever floor. But there is a small problem. The architect behind this complex had to crazy. How would you explain that most of the floors have too many doors and corridors? The best are the blind ones. There is always a map in the beginning but with the short time limit you can afford only one mistake, probably.