Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 08:30:50 up 74 days, 14:41, 0 user, load average: 4.56, 4.62, 4.73