Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 08:03:12 up 66 days, 14:13, 0 user, load average: 4.90, 5.26, 5.33