Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:16:08 up 73 days, 2:26, 1 user, load average: 4.97, 4.91, 4.86