Rechteck mit Löcher

70.Problem
id = 165
status = timer expired
time = 00:30:00.2
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:09:09 up 71 days, 2:19, 2 users, load average: 4.74, 4.86, 5.11