Rechteck mit Löcher

great-puzzle
id = 86
status = timer expired
time = 00:30:01.2
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 19:56:28 up 65 days, 2:06, 3 users, load average: 5.05, 5.21, 5.47