Rechteck mit Löcher

great Job
id = 87
status = timer expired
time = 00:30:00.3
unique solutions = 0
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 10:18:47 up 73 days, 16:29, 0 user, load average: 4.35, 4.58, 4.69