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 | 17:35:49 up 70 days, 23:46, 2 users, load average: 5.11, 4.46, 4.31