Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 10:50:48 up 74 days, 17:01, 0 user, load average: 5.68, 4.93, 4.80