Hochhaus Wettbewerb 7

Skyscraper competition 7.

Start: 07.11.2015
End: 08.11.2015

http://www.logic-masters.de/Wettbewerbe/wettbewerb.php?id=85
http://forum.logic-masters.de/showthread.php?tid=1364

The solving time is 120 minutes. The contest is running on Saturday and Sunday over 48 hours in total. Solutions can be submitted only in this time window; if you want to participate, you might want to start no later than 10pm on Sunday. The instruction file is already available. It does not contain any examples; feel free to ask questions about the puzzle variants in this thread.