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 | 14:33:29 up 72 days, 20:43, 3 users, load average: 4.35, 4.89, 4.94