Rechteck mit Löcher

22.Problem
id = 141
time = 00:00:00.4
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 14:27:38 up 70 days, 20:37, 2 users, load average: 3.91, 4.02, 4.12