Rechteck mit Löcher

great Job
id = 87
status = timer expired
time = 00:30:00.3
unique solutions = 0
select not used
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 12:20:20 up 72 days, 18:30, 3 users, load average: 4.74, 4.73, 4.82