Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 09:56:50 up 71 days, 16:07, 0 user, load average: 6.04, 5.54, 5.34