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 | 12:24:20 up 72 days, 18:34, 3 users, load average: 4.42, 4.68, 4.79