Rechteck mit Löcher

great-puzzle
id = 86
status = timer expired
time = 00:01:00.2
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 12:59:16 up 66 days, 19:09, 0 user, load average: 5.81, 5.98, 5.81