Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 15:25:39 up 75 days, 21:35, 0 user, load average: 5.20, 4.86, 4.92