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 | 19:26:04 up 74 days, 1:36, 0 user, load average: 5.10, 4.93, 4.82