Rechteck mit Löcher

great-puzzle
id = 86
status = timer expired
time = 00:00:15.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 16:16:10 up 65 days, 22:26, 0 user, load average: 6.07, 5.43, 5.22