Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 09:30:05 up 67 days, 15:40, 1 user, load average: 6.08, 5.73, 5.48