Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 18:53:48 up 68 days, 1:04, 1 user, load average: 5.70, 5.48, 5.32