Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 15:20:08 up 70 days, 21:30, 2 users, load average: 5.88, 5.14, 4.78