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 | 12:44:01 up 70 days, 18:54, 2 users, load average: 3.86, 3.76, 3.97