Rechteck mit Löcher

70.Problem
id = 165
status = timer expired
time = 00:01:00.0
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 03:14:59 up 66 days, 9:25, 0 user, load average: 5.69, 5.64, 5.64