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 | 05:15:56 up 74 days, 11:26, 0 user, load average: 5.37, 4.79, 4.73