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 | 12:23:17 up 67 days, 18:33, 1 user, load average: 5.97, 5.75, 5.49