Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 18:50:49 up 71 days, 1:01, 2 users, load average: 5.85, 5.50, 5.27