Rechteck mit Löcher

great Job
id = 87
status = timer expired
time = 00:30:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 15:42:13 up 73 days, 21:52, 0 user, load average: 4.88, 4.87, 4.74