Rechteck mit Löcher

43_5
id = 82
status = stop: max solutions reached
time = 00:00:00.1
unique solutions = 1
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 14:15:34 up 64 days, 20:25, 3 users, load average: 6.21, 5.95, 5.63