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 | 08:11:46 up 75 days, 14:22, 0 user, load average: 4.55, 4.85, 4.89