Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 08:28:13 up 66 days, 14:38, 0 user, load average: 5.40, 5.62, 5.55