Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:32:20 up 71 days, 3:42, 2 users, load average: 5.39, 5.17, 5.10