Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 10:09:53 up 76 days, 16:20, 0 user, load average: 4.76, 4.86, 4.97