Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 23:32:55 up 74 days, 5:43, 0 user, load average: 4.64, 4.82, 4.82