Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:16:03 up 76 days, 2:26, 2 users, load average: 5.27, 5.07, 4.97