Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 05:12:43 up 66 days, 11:23, 0 user, load average: 6.52, 6.08, 5.63