Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 07:49:56 up 69 days, 14:00, 0 user, load average: 4.99, 5.01, 5.00