Rechteck mit Löcher

great-puzzle
id = 86
status = timer expired
time = 00:00:16.9
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 18:15:02 up 71 days, 25 min, 2 users, load average: 4.28, 4.22, 4.10